256198032 has 40 divisors (see below), whose sum is σ = 735384480. Its totient is φ = 85399200.

The previous prime is 256198013. The next prime is 256198051. The reversal of 256198032 is 230891652.

256198032 is a `hidden beast` number, since 2 + 5 + 619 + 8 + 0 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (256198013) and next prime (256198051).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296094 + ... + 296957.

It is an arithmetic number, because the mean of its divisors is an integer number (18384612).

Almost surely, 2^256198032 is an apocalyptic number.

It is an amenable number.

256198032 is an abundant number, since it is smaller than the sum of its proper divisors (479186448).

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

256198032 is a wasteful number, since it uses less digits than its factorization.

256198032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593068 (or 593056 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 256198032 is about 16006.1873036648. The cubic root of 256198032 is about 635.1241057778.

The spelling of 256198032 in words is "two hundred fifty-six million, one hundred ninety-eight thousand, thirty-two".