404749944 has 48 divisors (see below), whose sum is σ = 1097233800. Its totient is φ = 134789184.

The previous prime is 404749879. The next prime is 404749979. The reversal of 404749944 is 449947404.

It is a happy number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 404749944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103122 + ... + 106974.

Almost surely, 2^404749944 is an apocalyptic number.

It is an amenable number.

404749944 is an abundant number, since it is smaller than the sum of its proper divisors (692483856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404749944 is a wasteful number, since it uses less digits than its factorization.

404749944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5324 (or 5317 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 404749944 is about 20118.3981469699. The cubic root of 404749944 is about 739.7113215363.

The spelling of 404749944 in words is "four hundred four million, seven hundred forty-nine thousand, nine hundred forty-four".