50089328640 has 768 divisors, whose sum is σ = 195724209600. Its totient is φ = 12145655808.

The previous prime is 50089328629. The next prime is 50089328743. The reversal of 50089328640 is 4682398005.

50089328640 is a `hidden beast` number, since 500 + 89 + 3 + 2 + 8 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (768).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 747601887 + ... + 747601953.

Almost surely, 2^50089328640 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 50089328640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97862104800).

50089328640 is an abundant number, since it is smaller than the sum of its proper divisors (145634880960).

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

50089328640 is an equidigital number, since it uses as much as digits as its factorization.

50089328640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 50089328640 in words is "fifty billion, eighty-nine million, three hundred twenty-eight thousand, six hundred forty".