50195289680640 has 432 divisors, whose sum is σ = 187077741570720. Its totient is φ = 12352592609280.

The previous prime is 50195289680531. The next prime is 50195289680689. The reversal of 50195289680640 is 4608698259105.

50195289680640 is a `hidden beast` number, since 5 + 0 + 1 + 9 + 528 + 9 + 68 + 0 + 6 + 40 = 666.

It is a super-2 number, since 2×50195289680640² (a number of 28 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 612627196 + ... + 612709124.

It is an arithmetic number, because the mean of its divisors is an integer number (433050327710).

Almost surely, 2^{50195289680640} 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 50195289680640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93538870785360).

50195289680640 is an abundant number, since it is smaller than the sum of its proper divisors (136882451890080).

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

50195289680640 is a wasteful number, since it uses less digits than its factorization.

50195289680640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86060 (or 86043 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 63.

The spelling of 50195289680640 in words is "fifty trillion, one hundred ninety-five billion, two hundred eighty-nine million, six hundred eighty thousand, six hundred forty".