260642260264 has 8 divisors (see below), whose sum is σ = 488704238010. Its totient is φ = 130321130128.

The previous prime is 260642260247. The next prime is 260642260303. The reversal of 260642260264 is 462062246062.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 200308163364 + 60334096900 = 447558^2 + 245630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16290141259 + ... + 16290141274.

Almost surely, 2^260642260264 is an apocalyptic number.

It is an amenable number.

260642260264 is a deficient number, since it is larger than the sum of its proper divisors (228061977746).

260642260264 is a wasteful number, since it uses less digits than its factorization.

260642260264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32580282539 (or 32580282535 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 260642260264 in words is "two hundred sixty billion, six hundred forty-two million, two hundred sixty thousand, two hundred sixty-four".