500326400 has 168 divisors, whose sum is σ = 1422044400. Its totient is φ = 171048960.

The previous prime is 500326399. The next prime is 500326417. The reversal of 500326400 is 4623005.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1433426 + ... + 1433774.

It is an arithmetic number, because the mean of its divisors is an integer number (8464550).

Almost surely, 2^500326400 is an apocalyptic number.

500326400 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 500326400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711022200).

500326400 is an abundant number, since it is smaller than the sum of its proper divisors (921718000).

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

500326400 is an equidigital number, since it uses as much as digits as its factorization.

500326400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 500326400 is about 22367.9771101457. The cubic root of 500326400 is about 793.8731976506.

Adding to 500326400 its reverse (4623005), we get a palindrome (504949405).

The spelling of 500326400 in words is "five hundred million, three hundred twenty-six thousand, four hundred".