500216320 has 80 divisors (see below), whose sum is σ = 1231994808. Its totient is φ = 194641920.

The previous prime is 500216303. The next prime is 500216399. The reversal of 500216320 is 23612005.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 408363264 + 91853056 = 20208^2 + 9584^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92080 + ... + 97360.

Almost surely, 2^500216320 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 500216320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615997404).

500216320 is an abundant number, since it is smaller than the sum of its proper divisors (731778488).

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

500216320 is an equidigital number, since it uses as much as digits as its factorization.

500216320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341 (or 5325 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 500216320 is about 22365.5163141833. The cubic root of 500216320 is about 793.8149716796.

Adding to 500216320 its reverse (23612005), we get a palindrome (523828325).

It can be divided in two parts, 500 and 216320, that multiplied together give a square (108160000 = 10400²).

The spelling of 500216320 in words is "five hundred million, two hundred sixteen thousand, three hundred twenty".