50440734720 has 672 divisors, whose sum is σ = 188522170200. Its totient is φ = 12931301376.

The previous prime is 50440734719. The next prime is 50440734733. The reversal of 50440734720 is 2743704405.

50440734720 is a `hidden beast` number, since 504 + 40 + 73 + 47 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 33867777024 + 16572957696 = 184032^2 + 128736^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 216483724 + ... + 216483956.

Almost surely, 2^50440734720 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 50440734720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94261085100).

50440734720 is an abundant number, since it is smaller than the sum of its proper divisors (138081435480).

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

50440734720 is an equidigital number, since it uses as much as digits as its factorization.

50440734720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The spelling of 50440734720 in words is "fifty billion, four hundred forty million, seven hundred thirty-four thousand, seven hundred twenty".