255321936 has 40 divisors (see below), whose sum is σ = 732869760. Its totient is φ = 85107168.

The previous prime is 255321901. The next prime is 255321949. The reversal of 255321936 is 639123552.

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 255321936.

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 7 ways as a sum of consecutive naturals, for example, 295080 + ... + 295943.

It is an arithmetic number, because the mean of its divisors is an integer number (18321744).

Almost surely, 2^255321936 is an apocalyptic number.

It is an amenable number.

255321936 is an abundant number, since it is smaller than the sum of its proper divisors (477547824).

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

255321936 is a wasteful number, since it uses less digits than its factorization.

255321936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591040 (or 591028 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 255321936 is about 15978.7964502962. The cubic root of 255321936 is about 634.3993211930.

The spelling of 255321936 in words is "two hundred fifty-five million, three hundred twenty-one thousand, nine hundred thirty-six".