51407316436368 has 80 divisors (see below), whose sum is σ = 134368734136320. Its totient is φ = 16934693142528.

The previous prime is 51407316436361. The next prime is 51407316436387. The reversal of 51407316436368 is 86363461370415.

It is not an unprimeable number, because it can be changed into a prime (51407316436361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14839863 + ... + 17973206.

It is an arithmetic number, because the mean of its divisors is an integer number (1679609176704).

Almost surely, 2^{51407316436368} is an apocalyptic number.

It is an amenable number.

51407316436368 is an abundant number, since it is smaller than the sum of its proper divisors (82961417699952).

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

51407316436368 is a wasteful number, since it uses less digits than its factorization.

51407316436368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32813464 (or 32813458 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 57.

The spelling of 51407316436368 in words is "fifty-one trillion, four hundred seven billion, three hundred sixteen million, four hundred thirty-six thousand, three hundred sixty-eight".