255434256 has 240 divisors, whose sum is σ = 931279680. Its totient is φ = 66286080.

The previous prime is 255434161. The next prime is 255434261. The reversal of 255434256 is 652434552.

255434256 is a `hidden beast` number, since 25 + 543 + 42 + 56 = 666.

255434256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 255434256.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232300 + ... + 233396.

It is an arithmetic number, because the mean of its divisors is an integer number (3880332).

Almost surely, 2^255434256 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 255434256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465639840).

255434256 is an abundant number, since it is smaller than the sum of its proper divisors (675845424).

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

255434256 is a wasteful number, since it uses less digits than its factorization.

255434256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1120 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 255434256 is about 15982.3107215446. The cubic root of 255434256 is about 634.4923348559.

The spelling of 255434256 in words is "two hundred fifty-five million, four hundred thirty-four thousand, two hundred fifty-six".