402064304 has 10 divisors (see below), whose sum is σ = 778999620. Its totient is φ = 201032144.

The previous prime is 402064277. The next prime is 402064349. The reversal of 402064304 is 403460204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 402064304.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12564494 + ... + 12564525.

It is an arithmetic number, because the mean of its divisors is an integer number (77899962).

Almost surely, 2^402064304 is an apocalyptic number.

It is an amenable number.

402064304 is a deficient number, since it is larger than the sum of its proper divisors (376935316).

402064304 is a wasteful number, since it uses less digits than its factorization.

402064304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25129027 (or 25129021 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 402064304 is about 20051.5411876494. The cubic root of 402064304 is about 738.0716190413.

The spelling of 402064304 in words is "four hundred two million, sixty-four thousand, three hundred four".