404031044 has 12 divisors (see below), whose sum is σ = 748645884. Its totient is φ = 190132224.

The previous prime is 404031013. The next prime is 404031049. The reversal of 404031044 is 440130404.

It can be written as a sum of positive squares in 2 ways, for example, as 209149444 + 194881600 = 14462^2 + 13960^2 .

It is not an unprimeable number, because it can be changed into a prime (404031049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2970749 + ... + 2970884.

It is an arithmetic number, because the mean of its divisors is an integer number (62387157).

Almost surely, 2^404031044 is an apocalyptic number.

It is an amenable number.

404031044 is a deficient number, since it is larger than the sum of its proper divisors (344614840).

404031044 is a wasteful number, since it uses less digits than its factorization.

404031044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941654 (or 5941652 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 404031044 is about 20100.5234757705. The cubic root of 404031044 is about 739.2731138405.

Adding to 404031044 its reverse (440130404), we get a palindrome (844161448).

The spelling of 404031044 in words is "four hundred four million, thirty-one thousand, forty-four".