500500404 has 24 divisors (see below), whose sum is σ = 1297593920. Its totient is φ = 166833432.

The previous prime is 500500393. The next prime is 500500409. The reversal of 500500404 is 404005005.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500500409) 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, 2317024 + ... + 2317239.

Almost surely, 2^500500404 is an apocalyptic number.

500500404 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

500500404 is an abundant number, since it is smaller than the sum of its proper divisors (797093516).

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

500500404 is a wasteful number, since it uses less digits than its factorization.

500500404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634276 (or 4634268 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 500500404 is about 22371.8663503964. The cubic root of 500500404 is about 793.9652183137.

Adding to 500500404 its reverse (404005005), we get a palindrome (904505409).

The spelling of 500500404 in words is "five hundred million, five hundred thousand, four hundred four".