402064252 has 12 divisors (see below), whose sum is σ = 703994760. Its totient is φ = 200922896.

The previous prime is 402064241. The next prime is 402064277. The reversal of 402064252 is 252460204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18727 + ... + 33982.

It is an arithmetic number, because the mean of its divisors is an integer number (58666230).

Almost surely, 2^402064252 is an apocalyptic number.

It is an amenable number.

402064252 is a deficient number, since it is larger than the sum of its proper divisors (301930508).

402064252 is a wasteful number, since it uses less digits than its factorization.

402064252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54620 (or 54618 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 402064252 is about 20051.5398909909. The cubic root of 402064252 is about 738.0715872224.

The spelling of 402064252 in words is "four hundred two million, sixty-four thousand, two hundred fifty-two".