6432325320 has 128 divisors (see below), whose sum is σ = 19514183040. Its totient is φ = 1696081920.

The previous prime is 6432325313. The next prime is 6432325321. The reversal of 6432325320 is 235232346.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (6432325321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5863012 + ... + 5864108.

It is an arithmetic number, because the mean of its divisors is an integer number (152454555).

Almost surely, 2^6432325320 is an apocalyptic number.

6432325320 is a gapful number since it is divisible by the number (60) 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 6432325320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9757091520).

6432325320 is an abundant number, since it is smaller than the sum of its proper divisors (13081857720).

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

6432325320 is a wasteful number, since it uses less digits than its factorization.

6432325320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 6432325320 is about 80201.7787832664. The cubic root of 6432325320 is about 1859.7561363717.

Adding to 6432325320 its reverse (235232346), we get a palindrome (6667557666).

The spelling of 6432325320 in words is "six billion, four hundred thirty-two million, three hundred twenty-five thousand, three hundred twenty".