255312320 has 28 divisors (see below), whose sum is σ = 607963224. Its totient is φ = 102124800.

The previous prime is 255312251. The next prime is 255312331. The reversal of 255312320 is 23213552.

255312320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398606 + ... + 399245.

Almost surely, 2^255312320 is an apocalyptic number.

255312320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255312320 is an abundant number, since it is smaller than the sum of its proper divisors (352650904).

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

255312320 is an equidigital number, since it uses as much as digits as its factorization.

255312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797868 (or 797858 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 255312320 is about 15978.4955487055. The cubic root of 255312320 is about 634.3913567899.

Adding to 255312320 its reverse (23213552), we get a palindrome (278525872).

The spelling of 255312320 in words is "two hundred fifty-five million, three hundred twelve thousand, three hundred twenty".