51636460234144 has 48 divisors (see below), whose sum is σ = 107090777868480. Its totient is φ = 24440859717120.

The previous prime is 51636460234141. The next prime is 51636460234187. The reversal of 51636460234144 is 44143206463615.

It is not an unprimeable number, because it can be changed into a prime (51636460234141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31342324 + ... + 32948659.

It is an arithmetic number, because the mean of its divisors is an integer number (2231057872260).

Almost surely, 2^{51636460234144} is an apocalyptic number.

It is an amenable number.

51636460234144 is an abundant number, since it is smaller than the sum of its proper divisors (55454317634336).

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

51636460234144 is a wasteful number, since it uses less digits than its factorization.

51636460234144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64292333 (or 64292325 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 49.

Adding to 51636460234144 its reverse (44143206463615), we get a palindrome (95779666697759).

The spelling of 51636460234144 in words is "fifty-one trillion, six hundred thirty-six billion, four hundred sixty million, two hundred thirty-four thousand, one hundred forty-four".