50047856640 has 416 divisors, whose sum is σ = 184120574400. Its totient is φ = 12881756160.

The previous prime is 50047856629. The next prime is 50047856657. The reversal of 50047856640 is 4665874005.

50047856640 is a `hidden beast` number, since 5 + 0 + 0 + 47 + 8 + 566 + 40 = 666.

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 31 ways as a sum of consecutive naturals, for example, 16034280 + ... + 16037400.

Almost surely, 2^50047856640 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 50047856640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92060287200).

50047856640 is an abundant number, since it is smaller than the sum of its proper divisors (134072717760).

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

50047856640 is a wasteful number, since it uses less digits than its factorization.

50047856640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188 (or 3160 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 50047856640 in words is "fifty billion, forty-seven million, eight hundred fifty-six thousand, six hundred forty".