Why is 40 considered a prime age for this Ummah?

From Hadiths and other Islamic sources, I have gathered that Muhammed was given Prophethood at the age of 40. Also in Surah Ahqaf, Verse 15 (compare/see Sahih International translation) Allah says > "We have commanded people to honour their parents. Their mothers bore > them in hardship and delivered them in hardship. Their ˹period of˺ > bearing and weaning is thirty months. In time, *when the child reaches > their prime at the age of forty* they pray, “My Lord! Inspire me to > ˹always˺ be thankful for Your favours which You blessed me and my > parents with, and to do good deeds that please You. And instill > righteousness in my offspring. I truly repent to You, and I truly > submit ˹to Your Will˺.” > > Surah Al Ahqaf Verse 15 As seen in the italized text above, the age of 40 is considered as peak or prime for an individual. Do we have any more details on the subject?