51340256436260 has 48 divisors (see below), whose sum is σ = 117635862460032. Its totient is φ = 18666009196800.

The previous prime is 51340256436247. The next prime is 51340256436269. The reversal of 51340256436260 is 6263465204315.

51340256436260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51340256436269) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18546752 + ... + 21134391.

It is an arithmetic number, because the mean of its divisors is an integer number (2450747134584).

Almost surely, 2^{51340256436260} is an apocalyptic number.

It is an amenable number.

51340256436260 is an abundant number, since it is smaller than the sum of its proper divisors (66295606023772).

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

51340256436260 is a wasteful number, since it uses less digits than its factorization.

51340256436260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39687044 (or 39687042 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 51340256436260 in words is "fifty-one trillion, three hundred forty billion, two hundred fifty-six million, four hundred thirty-six thousand, two hundred sixty".