500138801338 has 16 divisors (see below), whose sum is σ = 818499299040. Its totient is φ = 227310721200.

The previous prime is 500138801311. The next prime is 500138801339. The reversal of 500138801338 is 833108831005.

It is a super-2 number, since 2×500138801338² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 500138801338.

It is not an unprimeable number, because it can be changed into a prime (500138801339) 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, 1050333 + ... + 1450336.

It is an arithmetic number, because the mean of its divisors is an integer number (51156206190).

Almost surely, 2^500138801338 is an apocalyptic number.

500138801338 is a deficient number, since it is larger than the sum of its proper divisors (318360497702).

500138801338 is a wasteful number, since it uses less digits than its factorization.

500138801338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509773.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 500138801338 in words is "five hundred billion, one hundred thirty-eight million, eight hundred one thousand, three hundred thirty-eight".