Multipling 41990400 by its product of nonzero digits (1296), we get a square (54419558400 = 2332802).
41990400 divided by its product of nonzero digits (1296) gives a square (32400 = 1802).
The square root of 41990400 is 6480.
It is a tau number, because it is divible by the number of its divisors (243).
It is a Duffinian number.
It is a nialpdrome in base 6.
Almost surely, 241990400 is an apocalyptic number.
41990400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
41990400 is the 6480-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 41990400
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
41990400 is an frugal number, since it uses more digits than its factorization.
41990400 is an odious number, because the sum of its binary digits is odd.
The cubic root of 41990400 is about 347.5761784580.
The spelling of 41990400 in words is "forty-one million, nine hundred ninety thousand, four hundred".