50809726842 has 16 divisors (see below), whose sum is σ = 116136518592. Its totient is φ = 14517064800.

The previous prime is 50809726819. The next prime is 50809726843. The reversal of 50809726842 is 24862790805.

It is not an unprimeable number, because it can be changed into a prime (50809726843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604877659 + ... + 604877742.

It is an arithmetic number, because the mean of its divisors is an integer number (7258532412).

Almost surely, 2^50809726842 is an apocalyptic number.

50809726842 is an abundant number, since it is smaller than the sum of its proper divisors (65326791750).

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

50809726842 is a wasteful number, since it uses less digits than its factorization.

50809726842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209755413.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 50809726842 in words is "fifty billion, eight hundred nine million, seven hundred twenty-six thousand, eight hundred forty-two".