50471218944 has 324 divisors, whose sum is σ = 155728660360. Its totient is φ = 15717335040.

The previous prime is 50471218921. The next prime is 50471218991. The reversal of 50471218944 is 44981217405.

50471218944 is a `hidden beast` number, since 504 + 7 + 1 + 21 + 89 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 50471218944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 152480859 + ... + 152481189.

Almost surely, 2^50471218944 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 50471218944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77864330180).

50471218944 is an abundant number, since it is smaller than the sum of its proper divisors (105257441416).

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

50471218944 is a wasteful number, since it uses less digits than its factorization.

50471218944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 50471218944 in words is "fifty billion, four hundred seventy-one million, two hundred eighteen thousand, nine hundred forty-four".