50179905464640 has 448 divisors, whose sum is σ = 186104150016000. Its totient is φ = 11450751363072.

The previous prime is 50179905464639. The next prime is 50179905464653. The reversal of 50179905464640 is 4646450997105.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 199747431 + ... + 199998489.

Almost surely, 2^{50179905464640} 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 50179905464640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93052075008000).

50179905464640 is an abundant number, since it is smaller than the sum of its proper divisors (135924244551360).

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

50179905464640 is a wasteful number, since it uses less digits than its factorization.

50179905464640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251707 (or 251683 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 60.

The spelling of 50179905464640 in words is "fifty trillion, one hundred seventy-nine billion, nine hundred five million, four hundred sixty-four thousand, six hundred forty".