324440332000 has 144 divisors (see below), whose sum is σ = 816137994672. Its totient is φ = 126755193600.

The previous prime is 324440331997. The next prime is 324440332001. The reversal of 324440332000 is 233044423.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324440332001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7374067 + ... + 7417933.

It is an arithmetic number, because the mean of its divisors is an integer number (5667624963).

Almost surely, 2^324440332000 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 324440332000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408068997336).

324440332000 is an abundant number, since it is smaller than the sum of its proper divisors (491697662672).

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

324440332000 is an equidigital number, since it uses as much as digits as its factorization.

324440332000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43978 (or 43917 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 324440332000 its reverse (233044423), we get a palindrome (324673376423).

The spelling of 324440332000 in words is "three hundred twenty-four billion, four hundred forty million, three hundred thirty-two thousand".