404774056 has 16 divisors (see below), whose sum is σ = 791949600. Its totient is φ = 193587504.

The previous prime is 404773991. The next prime is 404774057. The reversal of 404774056 is 650477404.

It is a super-2 number, since 2×404774056² = 327684072821382272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (404774057) 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, 1099746 + ... + 1100113.

It is an arithmetic number, because the mean of its divisors is an integer number (49496850).

Almost surely, 2^404774056 is an apocalyptic number.

404774056 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

404774056 is a deficient number, since it is larger than the sum of its proper divisors (387175544).

404774056 is a wasteful number, since it uses less digits than its factorization.

404774056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199888 (or 2199884 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 404774056 is about 20118.9973905262. The cubic root of 404774056 is about 739.7260100829.

The spelling of 404774056 in words is "four hundred four million, seven hundred seventy-four thousand, fifty-six".