260656307772 has 24 divisors (see below), whose sum is σ = 695083487616. Its totient is φ = 74473230768.

The previous prime is 260656307749. The next prime is 260656307773. The reversal of 260656307772 is 277703656062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260656307773) 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, 1551525558 + ... + 1551525725.

It is an arithmetic number, because the mean of its divisors is an integer number (28961811984).

Almost surely, 2^260656307772 is an apocalyptic number.

It is an amenable number.

260656307772 is an abundant number, since it is smaller than the sum of its proper divisors (434427179844).

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

260656307772 is a wasteful number, since it uses less digits than its factorization.

260656307772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103051297 (or 3103051295 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 51.

The spelling of 260656307772 in words is "two hundred sixty billion, six hundred fifty-six million, three hundred seven thousand, seven hundred seventy-two".