255022656 has 84 divisors (see below), whose sum is σ = 784939248. Its totient is φ = 72860928.

The previous prime is 255022631. The next prime is 255022681. The reversal of 255022656 is 656220552.

It is an interprime number because it is at equal distance from previous prime (255022631) and next prime (255022681).

It is a tau number, because it is divible by the number of its divisors (84).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4146 + ... + 22961.

Almost surely, 2^255022656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255022656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392469624).

255022656 is an abundant number, since it is smaller than the sum of its proper divisors (529916592).

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

255022656 is a wasteful number, since it uses less digits than its factorization.

255022656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27136 (or 27119 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 255022656 is about 15969.4287937922. The cubic root of 255022656 is about 634.1513502536.

The spelling of 255022656 in words is "two hundred fifty-five million, twenty-two thousand, six hundred fifty-six".