50780390431680 has 2688 divisors, whose sum is σ = 229484963635200. Its totient is φ = 10017076543488.

The previous prime is 50780390431679. The next prime is 50780390431691. The reversal of 50780390431680 is 8613409308705.

50780390431680 is a `hidden beast` number, since 50 + 7 + 8 + 0 + 390 + 43 + 168 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 100955050309 + ... + 100955050811.

It is an arithmetic number, because the mean of its divisors is an integer number (85373870400).

Almost surely, 2^{50780390431680} 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 50780390431680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114742481817600).

50780390431680 is an abundant number, since it is smaller than the sum of its proper divisors (178704573203520).

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

50780390431680 is a wasteful number, since it uses less digits than its factorization.

50780390431680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 50780390431680 in words is "fifty trillion, seven hundred eighty billion, three hundred ninety million, four hundred thirty-one thousand, six hundred eighty".