40404612 has 24 divisors (see below), whose sum is σ = 94500000. Its totient is φ = 13436416.

The previous prime is 40404593. The next prime is 40404613. The reversal of 40404612 is 21640404.

It is not an unprimeable number, because it can be changed into a prime (40404613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639 + ... + 9137.

It is an arithmetic number, because the mean of its divisors is an integer number (3937500).

Almost surely, 2^40404612 is an apocalyptic number.

It is an amenable number.

40404612 is an abundant number, since it is smaller than the sum of its proper divisors (54095388).

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

40404612 is a wasteful number, since it uses less digits than its factorization.

40404612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7955 (or 7953 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40404612 is about 6356.4622235958. The cubic root of 40404612 is about 343.1444509396.

The spelling of 40404612 in words is "forty million, four hundred four thousand, six hundred twelve".