260563880 has 32 divisors (see below), whose sum is σ = 587507040. Its totient is φ = 104005440.

The previous prime is 260563873. The next prime is 260563889. The reversal of 260563880 is 88365062.

It is not an unprimeable number, because it can be changed into a prime (260563889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13007 + ... + 26273.

It is an arithmetic number, because the mean of its divisors is an integer number (18359595).

Almost surely, 2^260563880 is an apocalyptic number.

260563880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260563880 is an abundant number, since it is smaller than the sum of its proper divisors (326943160).

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

260563880 is a wasteful number, since it uses less digits than its factorization.

260563880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13769 (or 13765 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 260563880 is about 16141.9912030703. The cubic root of 260563880 is about 638.7115026909.

The spelling of 260563880 in words is "two hundred sixty million, five hundred sixty-three thousand, eight hundred eighty".