50140508856 has 256 divisors, whose sum is σ = 136515456000. Its totient is φ = 15313858560.

The previous prime is 50140508809. The next prime is 50140508857. The reversal of 50140508856 is 65880504105.

It is a super-2 number, since 2×50140508856² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50140508857) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 300242485 + ... + 300242651.

It is an arithmetic number, because the mean of its divisors is an integer number (533263500).

Almost surely, 2^50140508856 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 50140508856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68257728000).

50140508856 is an abundant number, since it is smaller than the sum of its proper divisors (86374947144).

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

50140508856 is a wasteful number, since it uses less digits than its factorization.

50140508856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The spelling of 50140508856 in words is "fifty billion, one hundred forty million, five hundred eight thousand, eight hundred fifty-six".