50180840665 has 8 divisors (see below), whose sum is σ = 60769459080. Its totient is φ = 39776372352.

The previous prime is 50180840641. The next prime is 50180840681. The reversal of 50180840665 is 56604808105.

It can be written as a sum of positive squares in 4 ways, for example, as 19011997456 + 31168843209 = 137884^2 + 176547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50180840665 - 2³³ = 41590906073 is a prime.

It is a super-2 number, since 2×50180840665² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46036924 + ... + 46038013.

It is an arithmetic number, because the mean of its divisors is an integer number (7596182385).

Almost surely, 2^50180840665 is an apocalyptic number.

It is an amenable number.

50180840665 is a deficient number, since it is larger than the sum of its proper divisors (10588618415).

50180840665 is a wasteful number, since it uses less digits than its factorization.

50180840665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92075051.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 50180840665 in words is "fifty billion, one hundred eighty million, eight hundred forty thousand, six hundred sixty-five".