242647365256 has 16 divisors (see below), whose sum is σ = 460445302800. Its totient is φ = 119861951184.

The previous prime is 242647365161. The next prime is 242647365307. The reversal of 242647365256 is 652563746242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182715726 + ... + 182717053.

It is an arithmetic number, because the mean of its divisors is an integer number (28777831425).

Almost surely, 2^242647365256 is an apocalyptic number.

It is an amenable number.

242647365256 is a deficient number, since it is larger than the sum of its proper divisors (217797937544).

242647365256 is a wasteful number, since it uses less digits than its factorization.

242647365256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365432868 (or 365432864 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 52.

The spelling of 242647365256 in words is "two hundred forty-two billion, six hundred forty-seven million, three hundred sixty-five thousand, two hundred fifty-six".