255288834 has 40 divisors (see below), whose sum is σ = 575405820. Its totient is φ = 84595104.

The previous prime is 255288823. The next prime is 255288841. The reversal of 255288834 is 438882552.

255288834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 255200625 + 88209 = 15975^2 + 297^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 255288834.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23472 + ... + 32580.

Almost surely, 2^255288834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255288834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287702910).

255288834 is an abundant number, since it is smaller than the sum of its proper divisors (320116986).

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

255288834 is a wasteful number, since it uses less digits than its factorization.

255288834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9296 (or 9287 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 255288834 is about 15977.7606065431. The cubic root of 255288834 is about 634.3719037891.

The spelling of 255288834 in words is "two hundred fifty-five million, two hundred eighty-eight thousand, eight hundred thirty-four".