256200492 has 48 divisors (see below), whose sum is σ = 621307904. Its totient is φ = 82080000.

The previous prime is 256200487. The next prime is 256200521. The reversal of 256200492 is 294002652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53892 + ... + 58452.

Almost surely, 2^256200492 is an apocalyptic number.

It is an amenable number.

256200492 is an abundant number, since it is smaller than the sum of its proper divisors (365107412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256200492 is a wasteful number, since it uses less digits than its factorization.

256200492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750 (or 4748 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 256200492 is about 16006.2641487638. The cubic root of 256200492 is about 635.1261385807.

The spelling of 256200492 in words is "two hundred fifty-six million, two hundred thousand, four hundred ninety-two".