255487560 has 192 divisors, whose sum is σ = 835531200. Its totient is φ = 62459904.

The previous prime is 255487541. The next prime is 255487571. The reversal of 255487560 is 65784552.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1837971 + ... + 1838109.

It is an arithmetic number, because the mean of its divisors is an integer number (4351725).

Almost surely, 2^255487560 is an apocalyptic number.

255487560 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 255487560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417765600).

255487560 is an abundant number, since it is smaller than the sum of its proper divisors (580043640).

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

255487560 is a wasteful number, since it uses less digits than its factorization.

255487560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 255487560 is about 15983.9782282134. The cubic root of 255487560 is about 634.5364670560.

The spelling of 255487560 in words is "two hundred fifty-five million, four hundred eighty-seven thousand, five hundred sixty".