404004431007 has 12 divisors (see below), whose sum is σ = 583821230824. Its totient is φ = 269216622000.

The previous prime is 404004430967. The next prime is 404004431009. The reversal of 404004431007 is 700134400404.

It is not a de Polignac number, because 404004431007 - 2¹⁸ = 404004168863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404004431009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9950728 + ... + 9991245.

Almost surely, 2^404004431007 is an apocalyptic number.

404004431007 is a deficient number, since it is larger than the sum of its proper divisors (179816799817).

404004431007 is a wasteful number, since it uses less digits than its factorization.

404004431007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19944230 (or 19944227 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The spelling of 404004431007 in words is "four hundred four billion, four million, four hundred thirty-one thousand, seven".