402079264 has 12 divisors (see below), whose sum is σ = 791593614. Its totient is φ = 201039616.

The previous prime is 402079241. The next prime is 402079289. The reversal of 402079264 is 462970204.

It can be written as a sum of positive squares in only one way, i.e., 209091600 + 192987664 = 14460^2 + 13892^2 .

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 as a sum of consecutive naturals, namely, 6282457 + ... + 6282520.

Almost surely, 2^402079264 is an apocalyptic number.

It is an amenable number.

402079264 is a deficient number, since it is larger than the sum of its proper divisors (389514350).

402079264 is a wasteful number, since it uses less digits than its factorization.

402079264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12564987 (or 12564979 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 402079264 is about 20051.9142228367. The cubic root of 402079264 is about 738.0807729788.

The spelling of 402079264 in words is "four hundred two million, seventy-nine thousand, two hundred sixty-four".