51359259468 has 48 divisors (see below), whose sum is σ = 130835464704. Its totient is φ = 15551173440.

The previous prime is 51359259449. The next prime is 51359259481. The reversal of 51359259468 is 86495295315.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16221 + ... + 320907.

It is an arithmetic number, because the mean of its divisors is an integer number (2725738848).

Almost surely, 2^51359259468 is an apocalyptic number.

It is an amenable number.

51359259468 is an abundant number, since it is smaller than the sum of its proper divisors (79476205236).

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

51359259468 is a wasteful number, since it uses less digits than its factorization.

51359259468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305982 (or 305980 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 57.

The spelling of 51359259468 in words is "fifty-one billion, three hundred fifty-nine million, two hundred fifty-nine thousand, four hundred sixty-eight".