255325760 has 112 divisors (see below), whose sum is σ = 642128256. Its totient is φ = 96509952.

The previous prime is 255325757. The next prime is 255325793. The reversal of 255325760 is 67523552.

It is a self number, because there is not a number n which added to its sum of digits gives 255325760.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831527 + ... + 831833.

It is an arithmetic number, because the mean of its divisors is an integer number (5733288).

Almost surely, 2^255325760 is an apocalyptic number.

255325760 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 255325760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321064128).

255325760 is an abundant number, since it is smaller than the sum of its proper divisors (386802496).

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

255325760 is a wasteful number, since it uses less digits than its factorization.

255325760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 255325760 is about 15978.9161084224. The cubic root of 255325760 is about 634.4024883459.

The spelling of 255325760 in words is "two hundred fifty-five million, three hundred twenty-five thousand, seven hundred sixty".