500050505000 has 80 divisors (see below), whose sum is σ = 1184783638500. Its totient is φ = 197772608000.

The previous prime is 500050504997. The next prime is 500050505023. The reversal of 500050505000 is 505050005.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 25045594564 + 475004910436 = 158258^2 + 689206^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 116855 + ... + 1006854.

Almost surely, 2^500050505000 is an apocalyptic number.

500050505000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

500050505000 is an abundant number, since it is smaller than the sum of its proper divisors (684733133500).

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

500050505000 is a wasteful number, since it uses less digits than its factorization.

500050505000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123824 (or 1123805 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 20.

Adding to 500050505000 its reverse (505050005), we get a palindrome (500555555005).

The spelling of 500050505000 in words is "five hundred billion, fifty million, five hundred five thousand".