256655262 has 16 divisors (see below), whose sum is σ = 529869312. Its totient is φ = 82791960.

The previous prime is 256655237. The next prime is 256655303. The reversal of 256655262 is 262556652.

It is a self number, because there is not a number n which added to its sum of digits gives 256655262.

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, 689748 + ... + 690119.

It is an arithmetic number, because the mean of its divisors is an integer number (33116832).

Almost surely, 2^256655262 is an apocalyptic number.

256655262 is an abundant number, since it is smaller than the sum of its proper divisors (273214050).

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

256655262 is a wasteful number, since it uses less digits than its factorization.

256655262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379903.

The product of its digits is 216000, while the sum is 39.

The square root of 256655262 is about 16020.4638509626. The cubic root of 256655262 is about 635.5017110865.

The spelling of 256655262 in words is "two hundred fifty-six million, six hundred fifty-five thousand, two hundred sixty-two".