404311444 has 12 divisors (see below), whose sum is σ = 708182944. Its totient is φ = 201973464.

The previous prime is 404311421. The next prime is 404311451. The reversal of 404311444 is 444113404.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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, 40512 + ... + 49495.

Almost surely, 2^404311444 is an apocalyptic number.

It is an amenable number.

404311444 is a deficient number, since it is larger than the sum of its proper divisors (303871500).

404311444 is a wasteful number, since it uses less digits than its factorization.

404311444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91134 (or 91132 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 404311444 is about 20107.4972087528. The cubic root of 404311444 is about 739.4440943040. Note that the first 3 decimals are identical.

Adding to 404311444 its reverse (444113404), we get a palindrome (848424848).

The spelling of 404311444 in words is "four hundred four million, three hundred eleven thousand, four hundred forty-four".