40404168 has 48 divisors (see below), whose sum is σ = 125062080. Its totient is φ = 11543904.

The previous prime is 40404157. The next prime is 40404173. The reversal of 40404168 is 86140404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39580 + ... + 40587.

It is an arithmetic number, because the mean of its divisors is an integer number (2605460).

Almost surely, 2^40404168 is an apocalyptic number.

It is an amenable number.

40404168 is an abundant number, since it is smaller than the sum of its proper divisors (84657912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40404168 is a wasteful number, since it uses less digits than its factorization.

40404168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80186 (or 80179 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 40404168 is about 6356.4272984122. The cubic root of 40404168 is about 343.1431940147.

The spelling of 40404168 in words is "forty million, four hundred four thousand, one hundred sixty-eight".