402310056 has 32 divisors (see below), whose sum is σ = 1006524000. Its totient is φ = 134003520.

The previous prime is 402310031. The next prime is 402310093. The reversal of 402310056 is 650013204.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31270 + ... + 42218.

It is an arithmetic number, because the mean of its divisors is an integer number (31453875).

Almost surely, 2^402310056 is an apocalyptic number.

It is an amenable number.

402310056 is an abundant number, since it is smaller than the sum of its proper divisors (604213944).

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

402310056 is a wasteful number, since it uses less digits than its factorization.

402310056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12489 (or 12485 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 402310056 is about 20057.6682592967. The cubic root of 402310056 is about 738.2219645060.

The spelling of 402310056 in words is "four hundred two million, three hundred ten thousand, fifty-six".