50709794139264 has 512 divisors, whose sum is σ = 151490443345920. Its totient is φ = 14923948032000.

The previous prime is 50709794139247. The next prime is 50709794139317. The reversal of 50709794139264 is 46293149790705.

It is a junction number, because it is equal to n+sod(n) for n = 50709794139195 and 50709794139204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5326094824 + ... + 5326104344.

It is an arithmetic number, because the mean of its divisors is an integer number (295879772160).

Almost surely, 2^{50709794139264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50709794139264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75745221672960).

50709794139264 is an abundant number, since it is smaller than the sum of its proper divisors (100780649206656).

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

50709794139264 is a wasteful number, since it uses less digits than its factorization.

50709794139264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9980 (or 9968 counting only the distinct ones).

The product of its (nonzero) digits is 102876480, while the sum is 66.

The spelling of 50709794139264 in words is "fifty trillion, seven hundred nine billion, seven hundred ninety-four million, one hundred thirty-nine thousand, two hundred sixty-four".