402064012 has 36 divisors (see below), whose sum is σ = 854083440. Its totient is φ = 164819424.

The previous prime is 402064007. The next prime is 402064027. The reversal of 402064012 is 210460204.

It is a super-2 number, since 2×402064012² = 323310939491072288, which contains 22 as substring.

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, 40087 + ... + 49102.

It is an arithmetic number, because the mean of its divisors is an integer number (23724540).

Almost surely, 2^402064012 is an apocalyptic number.

It is an amenable number.

402064012 is an abundant number, since it is smaller than the sum of its proper divisors (452019428).

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

402064012 is a wasteful number, since it uses less digits than its factorization.

402064012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89230 (or 89221 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 402064012 is about 20051.5339064122. The cubic root of 402064012 is about 738.0714403659.

The spelling of 402064012 in words is "four hundred two million, sixty-four thousand, twelve".