51726268320 has 96 divisors (see below), whose sum is σ = 162991725120. Its totient is φ = 13789102080.

The previous prime is 51726268313. The next prime is 51726268327. The reversal of 51726268320 is 2386262715.

It is an interprime number because it is at equal distance from previous prime (51726268313) and next prime (51726268327).

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (51726268327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1581735 + ... + 1614105.

It is an arithmetic number, because the mean of its divisors is an integer number (1697830470).

Almost surely, 2^51726268320 is an apocalyptic number.

It is an amenable number.

51726268320 is an abundant number, since it is smaller than the sum of its proper divisors (111265456800).

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

51726268320 is a wasteful number, since it uses less digits than its factorization.

51726268320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35718 (or 35710 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 51726268320 in words is "fifty-one billion, seven hundred twenty-six million, two hundred sixty-eight thousand, three hundred twenty".