A 405 deadlift is still a beginner, I watch approx. 185lb high school athletes pull much more than that everyday. Now a 405 as a freshman in college isn't a terrible pull (much more than I could do back then) but it is hardly above average for athletes (especially football).
But I wasn't weak enough to where I still had "noob gains" to make. I had already made my noob gains long ago.