40404031044 has 48 divisors (see below), whose sum is σ = 101640372288. Its totient is φ = 12418259328.

The previous prime is 40404031039. The next prime is 40404031067. The reversal of 40404031044 is 44013040404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287 + ... + 284270.

It is an arithmetic number, because the mean of its divisors is an integer number (2117507756).

Almost surely, 2^40404031044 is an apocalyptic number.

It is an amenable number.

40404031044 is an abundant number, since it is smaller than the sum of its proper divisors (61236341244).

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

40404031044 is a wasteful number, since it uses less digits than its factorization.

40404031044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286484 (or 286482 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40404031044 its reverse (44013040404), we get a palindrome (84417071448).

The spelling of 40404031044 in words is "forty billion, four hundred four million, thirty-one thousand, forty-four".