402036556 has 12 divisors (see below), whose sum is σ = 704009880. Its totient is φ = 200890880.

The previous prime is 402036521. The next prime is 402036559. The reversal of 402036556 is 655630204.

It is a super-2 number, since 2×402036556² = 323266784720682272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402036559) 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, 24565 + ... + 37516.

It is an arithmetic number, because the mean of its divisors is an integer number (58667490).

Almost surely, 2^402036556 is an apocalyptic number.

It is an amenable number.

402036556 is a deficient number, since it is larger than the sum of its proper divisors (301973324).

402036556 is a wasteful number, since it uses less digits than its factorization.

402036556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63704 (or 63702 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 402036556 is about 20050.8492588219. The cubic root of 402036556 is about 738.0546395994.

The spelling of 402036556 in words is "four hundred two million, thirty-six thousand, five hundred fifty-six".