50720129429760 has 648 divisors, whose sum is σ = 216145310950296. Its totient is φ = 10911219056640.

The previous prime is 50720129429759. The next prime is 50720129429779. The reversal of 50720129429760 is 6792492102705.

50720129429760 is a `hidden beast` number, since 5 + 0 + 7 + 2 + 0 + 1 + 294 + 297 + 60 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20547871416576 + 30172258013184 = 4532976^2 + 5492928^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50720129429697 and 50720129429706.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6953430 + ... + 12238890.

It is an arithmetic number, because the mean of its divisors is an integer number (333557578627).

Almost surely, 2^{50720129429760} 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 50720129429760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108072655475148).

50720129429760 is an abundant number, since it is smaller than the sum of its proper divisors (165425181520536).

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

50720129429760 is a wasteful number, since it uses less digits than its factorization.

50720129429760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285519 (or 5285495 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 50720129429760 in words is "fifty trillion, seven hundred twenty billion, one hundred twenty-nine million, four hundred twenty-nine thousand, seven hundred sixty".