500630320 has 20 divisors (see below), whose sum is σ = 1163965680. Its totient is φ = 200252096.

The previous prime is 500630311. The next prime is 500630321. The reversal of 500630320 is 23036005.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (500630321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128860 + ... + 3129019.

It is an arithmetic number, because the mean of its divisors is an integer number (58198284).

Almost surely, 2^500630320 is an apocalyptic number.

It is an amenable number.

500630320 is an abundant number, since it is smaller than the sum of its proper divisors (663335360).

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

500630320 is a wasteful number, since it uses less digits than its factorization.

500630320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257892 (or 6257886 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 500630320 is about 22374.7697194854. The cubic root of 500630320 is about 794.0339094748.

Adding to 500630320 its reverse (23036005), we get a palindrome (523666325).

The spelling of 500630320 in words is "five hundred million, six hundred thirty thousand, three hundred twenty".