404400440404 has 12 divisors (see below), whose sum is σ = 714571652704. Its totient is φ = 200237111064.

The previous prime is 404400440399. The next prime is 404400440413. The reversal of 404400440404 is 404044004404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490776822 + ... + 490777645.

Almost surely, 2^404400440404 is an apocalyptic number.

It is an amenable number.

404400440404 is a deficient number, since it is larger than the sum of its proper divisors (310171212300).

404400440404 is a wasteful number, since it uses less digits than its factorization.

404400440404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981554574 (or 981554572 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 404400440404 its reverse (404044004404), we get a palindrome (808444444808).

The spelling of 404400440404 in words is "four hundred four billion, four hundred million, four hundred forty thousand, four hundred four".