255428286 has 32 divisors (see below), whose sum is σ = 540758400. Its totient is φ = 80209440.

The previous prime is 255428263. The next prime is 255428333. The reversal of 255428286 is 682824552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14445 + ... + 26823.

It is an arithmetic number, because the mean of its divisors is an integer number (16898700).

Almost surely, 2^255428286 is an apocalyptic number.

255428286 is an abundant number, since it is smaller than the sum of its proper divisors (285330114).

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

255428286 is a wasteful number, since it uses less digits than its factorization.

255428286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12584.

The product of its digits is 307200, while the sum is 42.

The square root of 255428286 is about 15982.1239514653. The cubic root of 255428286 is about 634.4873917069.

The spelling of 255428286 in words is "two hundred fifty-five million, four hundred twenty-eight thousand, two hundred eighty-six".