260945387872 has 48 divisors (see below), whose sum is σ = 556967653200. Its totient is φ = 119628006912.

The previous prime is 260945387869. The next prime is 260945387933. The reversal of 260945387872 is 278783549062.

It is a self number, because there is not a number n which added to its sum of digits gives 260945387872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2042958 + ... + 2166925.

It is an arithmetic number, because the mean of its divisors is an integer number (11603492775).

Almost surely, 2^260945387872 is an apocalyptic number.

It is an amenable number.

260945387872 is an abundant number, since it is smaller than the sum of its proper divisors (296022265328).

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

260945387872 is a wasteful number, since it uses less digits than its factorization.

260945387872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210055 (or 4210047 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 260945387872 in words is "two hundred sixty billion, nine hundred forty-five million, three hundred eighty-seven thousand, eight hundred seventy-two".