51379686894402 has 48 divisors (see below), whose sum is σ = 111432448857600. Its totient is φ = 17109673026336.

The previous prime is 51379686894397. The next prime is 51379686894413. The reversal of 51379686894402 is 20449868697315.

51379686894402 is a `hidden beast` number, since 5 + 1 + 3 + 79 + 6 + 8 + 68 + 94 + 402 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326654008 + ... + 326811260.

It is an arithmetic number, because the mean of its divisors is an integer number (2321509351200).

It is a 1-persistent number, because it is pandigital, but 2⋅51379686894402 = 102759373788804 is not.

Almost surely, 2^{51379686894402} is an apocalyptic number.

51379686894402 is an abundant number, since it is smaller than the sum of its proper divisors (60052761963198).

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

51379686894402 is a wasteful number, since it uses less digits than its factorization.

51379686894402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175047 (or 175044 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 72.

The spelling of 51379686894402 in words is "fifty-one trillion, three hundred seventy-nine billion, six hundred eighty-six million, eight hundred ninety-four thousand, four hundred two".