500200128 has 168 divisors, whose sum is σ = 1499372160. Its totient is φ = 159252480.

The previous prime is 500200109. The next prime is 500200193. The reversal of 500200128 is 821002005.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 500200128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1946176 + ... + 1946432.

Almost surely, 2^500200128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500200128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749686080).

500200128 is an abundant number, since it is smaller than the sum of its proper divisors (999172032).

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

500200128 is a wasteful number, since it uses less digits than its factorization.

500200128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 500200128 is about 22365.1543254233. The cubic root of 500200128 is about 793.8064063249.

The spelling of 500200128 in words is "five hundred million, two hundred thousand, one hundred twenty-eight".