402515056 has 10 divisors (see below), whose sum is σ = 779872952. Its totient is φ = 201257520.

The previous prime is 402515053. The next prime is 402515063. The reversal of 402515056 is 650515204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402515053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12578580 + ... + 12578611.

Almost surely, 2^402515056 is an apocalyptic number.

It is an amenable number.

402515056 is a deficient number, since it is larger than the sum of its proper divisors (377357896).

402515056 is a wasteful number, since it uses less digits than its factorization.

402515056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25157199 (or 25157193 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 402515056 is about 20062.7778734651. Note that the first 3 decimals coincide. The cubic root of 402515056 is about 738.3473319956.

The spelling of 402515056 in words is "four hundred two million, five hundred fifteen thousand, fifty-six".