The concept of (the Finality of Prophethood) is a foundational pillar of Islamic faith. It establishes that Hazrat Muhammad

"Muhammad is not the father of any of your men, but is the Messenger of Allah and the Seal (last) of the Prophets. And Allah has perfect knowledge of all things". Key Concepts and Significance Definition of Khatam-e-Nabuwwat

The same verse uses the word "Khatam" which also means the final and most perfect.

عَلِیْمًا۠ (40) محمد تمہارے مردوں میں کسی کے باپ نہیں ہیں لیکن اللہ کے رسول ہیں اور سب نبیوں کے آخر میں تشریف لانے والے ہیں Dawat-e-Islami Surah Al-Ahzab - 40 - Quran.com