50637218940 has 288 divisors, whose sum is σ = 191850946560. Its totient is φ = 10502784000.

The previous prime is 50637218917. The next prime is 50637218977. The reversal of 50637218940 is 4981273605.

50637218940 is a `hidden beast` number, since 5 + 0 + 637 + 2 + 1 + 8 + 9 + 4 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8326821 + ... + 8332899.

It is an arithmetic number, because the mean of its divisors is an integer number (666149120).

It is a 1-persistent number, because it is pandigital, but 2⋅50637218940 = 101274437880 is not.

Almost surely, 2^50637218940 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 50637218940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95925473280).

50637218940 is an abundant number, since it is smaller than the sum of its proper divisors (141213727620).

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

50637218940 is a wasteful number, since it uses less digits than its factorization.

50637218940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713 (or 6708 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 50637218940 in words is "fifty billion, six hundred thirty-seven million, two hundred eighteen thousand, nine hundred forty".