51840596784 has 20 divisors (see below), whose sum is σ = 133921541816. Its totient is φ = 17280198912.

The previous prime is 51840596783. The next prime is 51840596849. The reversal of 51840596784 is 48769504815.

It is a super-2 number, since 2×51840596784² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51840596783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540006169 + ... + 540006264.

Almost surely, 2^51840596784 is an apocalyptic number.

It is an amenable number.

51840596784 is an abundant number, since it is smaller than the sum of its proper divisors (82080945032).

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

51840596784 is a wasteful number, since it uses less digits than its factorization.

51840596784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080012444 (or 1080012438 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 51840596784 in words is "fifty-one billion, eight hundred forty million, five hundred ninety-six thousand, seven hundred eighty-four".