256270086 has 12 divisors (see below), whose sum is σ = 555251892. Its totient is φ = 85423356.

The previous prime is 256269997. The next prime is 256270111. The reversal of 256270086 is 680072652.

256270086 is a `hidden beast` number, since 25 + 627 + 0 + 0 + 8 + 6 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 256270086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7118596 + ... + 7118631.

It is an arithmetic number, because the mean of its divisors is an integer number (46270991).

Almost surely, 2^256270086 is an apocalyptic number.

256270086 is an abundant number, since it is smaller than the sum of its proper divisors (298981806).

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

256270086 is a wasteful number, since it uses less digits than its factorization.

256270086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14237235 (or 14237232 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 256270086 is about 16008.4379625246. The cubic root of 256270086 is about 635.1836416799.

The spelling of 256270086 in words is "two hundred fifty-six million, two hundred seventy thousand, eighty-six".