260616280 has 16 divisors (see below), whose sum is σ = 586386720. Its totient is φ = 104246496.

The previous prime is 260616277. The next prime is 260616311. The reversal of 260616280 is 82616062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3257664 + ... + 3257743.

It is an arithmetic number, because the mean of its divisors is an integer number (36649170).

Almost surely, 2^260616280 is an apocalyptic number.

260616280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260616280 is an abundant number, since it is smaller than the sum of its proper divisors (325770440).

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

260616280 is a wasteful number, since it uses less digits than its factorization.

260616280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515418 (or 6515414 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 260616280 is about 16143.6142173926. The cubic root of 260616280 is about 638.7543152755.

The spelling of 260616280 in words is "two hundred sixty million, six hundred sixteen thousand, two hundred eighty".