50136514140 has 24 divisors (see below), whose sum is σ = 140382239760. Its totient is φ = 13369737088.

The previous prime is 50136514123. The next prime is 50136514163. The reversal of 50136514140 is 4141563105.

It is a happy number.

It is a super-2 number, since 2×50136514140² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50136514098 and 50136514107.

It is a congruent number.

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, 417804225 + ... + 417804344.

It is an arithmetic number, because the mean of its divisors is an integer number (5849259990).

Almost surely, 2^50136514140 is an apocalyptic number.

It is an amenable number.

50136514140 is an abundant number, since it is smaller than the sum of its proper divisors (90245725620).

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

50136514140 is a wasteful number, since it uses less digits than its factorization.

50136514140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835608581 (or 835608579 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 50136514140 in words is "fifty billion, one hundred thirty-six million, five hundred fourteen thousand, one hundred forty".