51264789376 has 32 divisors (see below), whose sum is σ = 104889327480. Its totient is φ = 24939624960.

The previous prime is 51264789347. The next prime is 51264789379. The reversal of 51264789376 is 67398746215.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 51264789376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51264789379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5407510 + ... + 5416981.

Almost surely, 2^51264789376 is an apocalyptic number.

It is an amenable number.

51264789376 is an abundant number, since it is smaller than the sum of its proper divisors (53624538104).

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

51264789376 is a wasteful number, since it uses less digits than its factorization.

51264789376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10824542 (or 10824530 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 58.

The spelling of 51264789376 in words is "fifty-one billion, two hundred sixty-four million, seven hundred eighty-nine thousand, three hundred seventy-six".