260608560 has 160 divisors (see below), whose sum is σ = 864111360. Its totient is φ = 64779264.

The previous prime is 260608519. The next prime is 260608571. The reversal of 260608560 is 65806062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305094 + ... + 305946.

It is an arithmetic number, because the mean of its divisors is an integer number (5400696).

Almost surely, 2^260608560 is an apocalyptic number.

260608560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260608560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432055680).

260608560 is an abundant number, since it is smaller than the sum of its proper divisors (603502800).

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

260608560 is a wasteful number, since it uses less digits than its factorization.

260608560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 260608560 is about 16143.3751117912. The cubic root of 260608560 is about 638.7480081331.

The spelling of 260608560 in words is "two hundred sixty million, six hundred eight thousand, five hundred sixty".