261282831032 has 64 divisors (see below), whose sum is σ = 539487216000. Its totient is φ = 118118946816.

The previous prime is 261282830987. The next prime is 261282831041. The reversal of 261282831032 is 230138282162.

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, 68894 + ... + 726162.

It is an arithmetic number, because the mean of its divisors is an integer number (8429487750).

Almost surely, 2^261282831032 is an apocalyptic number.

It is an amenable number.

261282831032 is an abundant number, since it is smaller than the sum of its proper divisors (278204384968).

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

261282831032 is a wasteful number, since it uses less digits than its factorization.

261282831032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657408 (or 657404 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 261282831032 in words is "two hundred sixty-one billion, two hundred eighty-two million, eight hundred thirty-one thousand, thirty-two".