4392018 is the number that everyone thinks they've heard before. This memetic anomaly (reminiscent of the discovery of A Magical Trumpet Called Bill) is surely a sign of the cosmic significance of these numbers.
4392018 is used to represent the metre of rhythm sentences.
Insanity is thought to be caused by energy vibrating at 4392018Hz
4+3+9+2+0+1+8 = 27, 2+7 = 9, 9 = 3^2^, which is 23 backwards.