50196641840 has 20 divisors (see below), whose sum is σ = 116707192464. Its totient is φ = 20078656704.

The previous prime is 50196641821. The next prime is 50196641849. The reversal of 50196641840 is 4814669105.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 50196641791 and 50196641800.

It is not an unprimeable number, because it can be changed into a prime (50196641849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313728932 + ... + 313729091.

Almost surely, 2^50196641840 is an apocalyptic number.

It is an amenable number.

50196641840 is an abundant number, since it is smaller than the sum of its proper divisors (66510550624).

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

50196641840 is a wasteful number, since it uses less digits than its factorization.

50196641840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627458036 (or 627458030 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 50196641840 in words is "fifty billion, one hundred ninety-six million, six hundred forty-one thousand, eight hundred forty".