51420174444140 has 24 divisors (see below), whose sum is σ = 107983101851520. Its totient is φ = 20567929678848.

The previous prime is 51420174444103. The next prime is 51420174444151. The reversal of 51420174444140 is 4144447102415.

51420174444140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 5720885 + ... + 11643404.

It is an arithmetic number, because the mean of its divisors is an integer number (4499295910480).

Almost surely, 2^{51420174444140} is an apocalyptic number.

It is an amenable number.

51420174444140 is an abundant number, since it is smaller than the sum of its proper divisors (56562927407380).

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

51420174444140 is a wasteful number, since it uses less digits than its factorization.

51420174444140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17512361 (or 17512359 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 41.

The spelling of 51420174444140 in words is "fifty-one trillion, four hundred twenty billion, one hundred seventy-four million, four hundred forty-four thousand, one hundred forty".