432216320 has 36 divisors (see below), whose sum is σ = 1035296220. Its totient is φ = 172886016.

The previous prime is 432216287. The next prime is 432216341. The reversal of 432216320 is 23612234.

It can be written as a sum of positive squares in 2 ways, for example, as 270010624 + 162205696 = 16432^2 + 12736^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167555 + ... + 170114.

Almost surely, 2^432216320 is an apocalyptic number.

432216320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

432216320 is an abundant number, since it is smaller than the sum of its proper divisors (603079900).

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

432216320 is an equidigital number, since it uses as much as digits as its factorization.

432216320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337690 (or 337676 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 432216320 is about 20789.8128899709. The cubic root of 432216320 is about 756.0787876418.

Adding to 432216320 its reverse (23612234), we get a palindrome (455828554).

The spelling of 432216320 in words is "four hundred thirty-two million, two hundred sixteen thousand, three hundred twenty".