260400888 has 48 divisors (see below), whose sum is σ = 769368600. Its totient is φ = 78909120.

The previous prime is 260400863. The next prime is 260400901. The reversal of 260400888 is 888004062.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163603 + ... + 165186.

Almost surely, 2^260400888 is an apocalyptic number.

It is an amenable number.

260400888 is an abundant number, since it is smaller than the sum of its proper divisors (508967712).

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

260400888 is a wasteful number, since it uses less digits than its factorization.

260400888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328812 (or 328805 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 260400888 is about 16136.9417176862. The cubic root of 260400888 is about 638.5782959703.

The spelling of 260400888 in words is "two hundred sixty million, four hundred thousand, eight hundred eighty-eight".