51372038731244 has 72 divisors (see below), whose sum is σ = 114051727693344. Its totient is φ = 19816910784000.

The previous prime is 51372038731243. The next prime is 51372038731283. The reversal of 51372038731244 is 44213783027315.

It is a junction number, because it is equal to n+sod(n) for n = 51372038731192 and 51372038731201.

It is not an unprimeable number, because it can be changed into a prime (51372038731243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74721869 + ... + 75406244.

Almost surely, 2^{51372038731244} is an apocalyptic number.

It is an amenable number.

51372038731244 is an abundant number, since it is smaller than the sum of its proper divisors (62679688962100).

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

51372038731244 is a wasteful number, since it uses less digits than its factorization.

51372038731244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150128247 (or 150128234 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 51372038731244 in words is "fifty-one trillion, three hundred seventy-two billion, thirty-eight million, seven hundred thirty-one thousand, two hundred forty-four".