255607860 has 24 divisors (see below), whose sum is σ = 715702176. Its totient is φ = 68162080.

The previous prime is 255607853. The next prime is 255607939. The reversal of 255607860 is 68706552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2130006 + ... + 2130125.

It is an arithmetic number, because the mean of its divisors is an integer number (29820924).

Almost surely, 2^255607860 is an apocalyptic number.

255607860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255607860 is an abundant number, since it is smaller than the sum of its proper divisors (460094316).

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

255607860 is a wasteful number, since it uses less digits than its factorization.

255607860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260143 (or 4260141 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 255607860 is about 15987.7409285990. The cubic root of 255607860 is about 634.6360449755.

The spelling of 255607860 in words is "two hundred fifty-five million, six hundred seven thousand, eight hundred sixty".