51272472422268 has 48 divisors (see below), whose sum is σ = 132932025532320. Its totient is φ = 17090387856000.

The previous prime is 51272472422243. The next prime is 51272472422363. The reversal of 51272472422268 is 86222427427215.

It is a happy number.

51272472422268 is a `hidden beast` number, since 5 + 1 + 2 + 72 + 472 + 42 + 2 + 2 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 1795353 + ... + 10284368.

It is an arithmetic number, because the mean of its divisors is an integer number (2769417198590).

Almost surely, 2^{51272472422268} is an apocalyptic number.

It is an amenable number.

51272472422268 is an abundant number, since it is smaller than the sum of its proper divisors (81659553110052).

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

51272472422268 is a wasteful number, since it uses less digits than its factorization.

51272472422268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12119035 (or 12119027 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 54.

The spelling of 51272472422268 in words is "fifty-one trillion, two hundred seventy-two billion, four hundred seventy-two million, four hundred twenty-two thousand, two hundred sixty-eight".