265650631420256 has 48 divisors (see below), whose sum is σ = 534455628005376. Its totient is φ = 129919342770816.

The previous prime is 265650631420201. The next prime is 265650631420261. The reversal of 265650631420256 is 652024136056562.

It is a junction number, because it is equal to n+sod(n) for n = 265650631420198 and 265650631420207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51833696 + ... + 56727711.

It is an arithmetic number, because the mean of its divisors is an integer number (11134492250112).

Almost surely, 2^{265650631420256} is an apocalyptic number.

It is an amenable number.

265650631420256 is an abundant number, since it is smaller than the sum of its proper divisors (268804996585120).

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

265650631420256 is a wasteful number, since it uses less digits than its factorization.

265650631420256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108563091 (or 108563083 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 265650631420256 in words is "two hundred sixty-five trillion, six hundred fifty billion, six hundred thirty-one million, four hundred twenty thousand, two hundred fifty-six".