256755086 has 16 divisors (see below), whose sum is σ = 440401920. Its totient is φ = 109975320.

The previous prime is 256755073. The next prime is 256755091. The reversal of 256755086 is 680557652.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 27251 + ... + 35441.

It is an arithmetic number, because the mean of its divisors is an integer number (27525120).

Almost surely, 2^256755086 is an apocalyptic number.

256755086 is a deficient number, since it is larger than the sum of its proper divisors (183646834).

256755086 is a wasteful number, since it uses less digits than its factorization.

256755086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10439.

The product of its (nonzero) digits is 504000, while the sum is 44.

The square root of 256755086 is about 16023.5790633678. The cubic root of 256755086 is about 635.5840915001.

The spelling of 256755086 in words is "two hundred fifty-six million, seven hundred fifty-five thousand, eighty-six".