256265118 has 12 divisors (see below), whose sum is σ = 555241128. Its totient is φ = 85421700.

The previous prime is 256265077. The next prime is 256265159. The reversal of 256265118 is 811562652.

256265118 is a `hidden beast` number, since 25 + 626 + 5 + 1 + 1 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (256265077) and next prime (256265159).

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

It is a Curzon number.

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, 7118458 + ... + 7118493.

It is an arithmetic number, because the mean of its divisors is an integer number (46270094).

Almost surely, 2^256265118 is an apocalyptic number.

256265118 is an abundant number, since it is smaller than the sum of its proper divisors (298976010).

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

256265118 is a wasteful number, since it uses less digits than its factorization.

256265118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14236959 (or 14236956 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 256265118 is about 16008.2827936041. The cubic root of 256265118 is about 635.1795371395.

The spelling of 256265118 in words is "two hundred fifty-six million, two hundred sixty-five thousand, one hundred eighteen".