404071056 has 30 divisors (see below), whose sum is σ = 1130838150. Its totient is φ = 134690304.

The previous prime is 404071039. The next prime is 404071067. The reversal of 404071056 is 650170404.

It can be written as a sum of positive squares in only one way, i.e., 218566656 + 185504400 = 14784^2 + 13620^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1402881 + ... + 1403168.

It is an arithmetic number, because the mean of its divisors is an integer number (37694605).

Almost surely, 2^404071056 is an apocalyptic number.

It is an amenable number.

404071056 is an abundant number, since it is smaller than the sum of its proper divisors (726767094).

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

404071056 is a wasteful number, since it uses less digits than its factorization.

404071056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806063 (or 2806054 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 404071056 is about 20101.5187485921. The cubic root of 404071056 is about 739.2975169318.

The spelling of 404071056 in words is "four hundred four million, seventy-one thousand, fifty-six".