260855880 has 64 divisors (see below), whose sum is σ = 816600960. Its totient is φ = 66536448.

The previous prime is 260855863. The next prime is 260855891. The reversal of 260855880 is 88558062.

It is a super-3 number, since 3×260855880³ (a number of 26 digits) contains 333 as substring.

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, 44497 + ... + 50016.

It is an arithmetic number, because the mean of its divisors is an integer number (12759390).

Almost surely, 2^260855880 is an apocalyptic number.

260855880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260855880 is an abundant number, since it is smaller than the sum of its proper divisors (555745080).

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

260855880 is a wasteful number, since it uses less digits than its factorization.

260855880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94550 (or 94546 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 260855880 is about 16151.0334034699. The cubic root of 260855880 is about 638.9500035579.

The spelling of 260855880 in words is "two hundred sixty million, eight hundred fifty-five thousand, eight hundred eighty".