500100400 has 60 divisors (see below), whose sum is σ = 1204232944. Its totient is φ = 199584000.

The previous prime is 500100397. The next prime is 500100413. The reversal of 500100400 is 4001005.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215245 + ... + 217555.

Almost surely, 2^500100400 is an apocalyptic number.

500100400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500100400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602116472).

500100400 is an abundant number, since it is smaller than the sum of its proper divisors (704132544).

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

500100400 is a wasteful number, since it uses less digits than its factorization.

500100400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870 (or 2859 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 500100400 is about 22362.9246745590. The cubic root of 500100400 is about 793.7536474505.

Adding to 500100400 its reverse (4001005), we get a palindrome (504101405).

It can be divided in two parts, 500100 and 400, that added together give a triangular number (500500 = T₁₀₀₀).

The spelling of 500100400 in words is "five hundred million, one hundred thousand, four hundred".