256427108 has 24 divisors (see below), whose sum is σ = 513744000. Its totient is φ = 109706688.

The previous prime is 256427107. The next prime is 256427111. The reversal of 256427108 is 801724652.

It is not an unprimeable number, because it can be changed into a prime (256427107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9128 + ... + 24416.

It is an arithmetic number, because the mean of its divisors is an integer number (21406000).

Almost surely, 2^256427108 is an apocalyptic number.

256427108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

256427108 is an abundant number, since it is smaller than the sum of its proper divisors (257316892).

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

256427108 is a wasteful number, since it uses less digits than its factorization.

256427108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15899 (or 15897 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 256427108 is about 16013.3415625846. The cubic root of 256427108 is about 635.3133452591.

The spelling of 256427108 in words is "two hundred fifty-six million, four hundred twenty-seven thousand, one hundred eight".