51372040136466 has 64 divisors (see below), whose sum is σ = 117571015351296. Its totient is φ = 14659079198400.

The previous prime is 51372040136449. The next prime is 51372040136513. The reversal of 51372040136466 is 66463104027315.

51372040136466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×51372040136466³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279573681 + ... + 279757371.

It is an arithmetic number, because the mean of its divisors is an integer number (1837047114864).

Almost surely, 2^{51372040136466} is an apocalyptic number.

51372040136466 is an abundant number, since it is smaller than the sum of its proper divisors (66198975214830).

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

51372040136466 is a wasteful number, since it uses less digits than its factorization.

51372040136466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192127.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 51372040136466 in words is "fifty-one trillion, three hundred seventy-two billion, forty million, one hundred thirty-six thousand, four hundred sixty-six".