51390388187024 has 40 divisors (see below), whose sum is σ = 100555874012160. Its totient is φ = 25440491120000.

The previous prime is 51390388187011. The next prime is 51390388187027. The reversal of 51390388187024 is 42078188309315.

It is not an unprimeable number, because it can be changed into a prime (51390388187027) 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, 221824049 + ... + 222055599.

It is an arithmetic number, because the mean of its divisors is an integer number (2513896850304).

Almost surely, 2^{51390388187024} is an apocalyptic number.

It is an amenable number.

51390388187024 is a deficient number, since it is larger than the sum of its proper divisors (49165485825136).

51390388187024 is a wasteful number, since it uses less digits than its factorization.

51390388187024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368999 (or 368993 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 51390388187024 in words is "fifty-one trillion, three hundred ninety billion, three hundred eighty-eight million, one hundred eighty-seven thousand, twenty-four".