255928960 has 96 divisors (see below), whose sum is σ = 711808020. Its totient is φ = 87736320.

The previous prime is 255928909. The next prime is 255928969. The reversal of 255928960 is 69829552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 251159104 + 4769856 = 15848^2 + 2184^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 255928960.

It is not an unprimeable number, because it can be changed into a prime (255928969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27280 + ... + 35440.

Almost surely, 2^255928960 is an apocalyptic number.

255928960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255928960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355904010).

255928960 is an abundant number, since it is smaller than the sum of its proper divisors (455879060).

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

255928960 is an equidigital number, since it uses as much as digits as its factorization.

255928960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8194 (or 8175 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 255928960 is about 15997.7798459661. The cubic root of 255928960 is about 634.9016815146.

The spelling of 255928960 in words is "two hundred fifty-five million, nine hundred twenty-eight thousand, nine hundred sixty".