50006140640 has 48 divisors (see below), whose sum is σ = 119803471200. Its totient is φ = 19720727040.

The previous prime is 50006140637. The next prime is 50006140643. The reversal of 50006140640 is 4604160005.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50006140637) and next prime (50006140643).

It is a super-2 number, since 2×50006140640² (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 (50006140643) 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, 2189615 + ... + 2212334.

It is an arithmetic number, because the mean of its divisors is an integer number (2495905650).

Almost surely, 2^50006140640 is an apocalyptic number.

It is an amenable number.

50006140640 is an abundant number, since it is smaller than the sum of its proper divisors (69797330560).

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

50006140640 is a wasteful number, since it uses less digits than its factorization.

50006140640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402035 (or 4402027 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 50006140640 in words is "fifty billion, six million, one hundred forty thousand, six hundred forty".