404400004 has 12 divisors (see below), whose sum is σ = 713273344. Its totient is φ = 200607624.

The previous prime is 404400001. The next prime is 404400011. The reversal of 404400004 is 400004404.

It is not an unprimeable number, because it can be changed into a prime (404400001) 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, 397524 + ... + 398539.

Almost surely, 2^404400004 is an apocalyptic number.

It is an amenable number.

404400004 is a deficient number, since it is larger than the sum of its proper divisors (308873340).

404400004 is a wasteful number, since it uses less digits than its factorization.

404400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796194 (or 796192 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 404400004 is about 20109.6992518536. The cubic root of 404400004 is about 739.4980794099.

Adding to 404400004 its reverse (400004404), we get a palindrome (804404408).

It can be divided in two parts, 40 and 4400004, that added together give a palindrome (4400044).

The spelling of 404400004 in words is "four hundred four million, four hundred thousand, four".