255250560 has 128 divisors (see below), whose sum is σ = 856555200. Its totient is φ = 64475136.

The previous prime is 255250507. The next prime is 255250577. The reversal of 255250560 is 65052552.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 32982 + ... + 39978.

Almost surely, 2^255250560 is an apocalyptic number.

255250560 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 255250560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428277600).

255250560 is an abundant number, since it is smaller than the sum of its proper divisors (601304640).

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

255250560 is a wasteful number, since it uses less digits than its factorization.

255250560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7038 (or 7026 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 255250560 is about 15976.5628343521. The cubic root of 255250560 is about 634.3401996165.

The spelling of 255250560 in words is "two hundred fifty-five million, two hundred fifty thousand, five hundred sixty".