260844193564 has 48 divisors (see below), whose sum is σ = 488703045600. Its totient is φ = 121389705216.

The previous prime is 260844193529. The next prime is 260844193579. The reversal of 260844193564 is 465391448062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3842832 + ... + 3910120.

It is an arithmetic number, because the mean of its divisors is an integer number (10181313450).

Almost surely, 2^260844193564 is an apocalyptic number.

It is an amenable number.

260844193564 is a deficient number, since it is larger than the sum of its proper divisors (227858852036).

260844193564 is a wasteful number, since it uses less digits than its factorization.

260844193564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67942 (or 67940 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 260844193564 in words is "two hundred sixty billion, eight hundred forty-four million, one hundred ninety-three thousand, five hundred sixty-four".