402690272 has 12 divisors (see below), whose sum is σ = 792796536. Its totient is φ = 201345120.

The previous prime is 402690257. The next prime is 402690287. The reversal of 402690272 is 272096204.

It is an interprime number because it is at equal distance from previous prime (402690257) and next prime (402690287).

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 12584071 = 402690272 / (4 + 0 + 2 + 6 + 9 + 0 + 2 + 7 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6292004 + ... + 6292067.

It is an arithmetic number, because the mean of its divisors is an integer number (66066378).

Almost surely, 2^402690272 is an apocalyptic number.

It is an amenable number.

402690272 is a deficient number, since it is larger than the sum of its proper divisors (390106264).

402690272 is a wasteful number, since it uses less digits than its factorization.

402690272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12584081 (or 12584073 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 402690272 is about 20067.1440917735. The cubic root of 402690272 is about 738.4544513832.

The spelling of 402690272 in words is "four hundred two million, six hundred ninety thousand, two hundred seventy-two".