324253680 has 80 divisors (see below), whose sum is σ = 1007212320. Its totient is φ = 86293504.

The previous prime is 324253661. The next prime is 324253687. The reversal of 324253680 is 86352423.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324253687) 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 15 ways as a sum of consecutive naturals, for example, 155686 + ... + 157754.

It is an arithmetic number, because the mean of its divisors is an integer number (12590154).

Almost surely, 2^324253680 is an apocalyptic number.

324253680 is a gapful number since it is divisible by the number (30) 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 324253680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503606160).

324253680 is an abundant number, since it is smaller than the sum of its proper divisors (682958640).

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

324253680 is a wasteful number, since it uses less digits than its factorization.

324253680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738 (or 2732 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 324253680 is about 18007.0452878866. The cubic root of 324253680 is about 687.0077525403.

The spelling of 324253680 in words is "three hundred twenty-four million, two hundred fifty-three thousand, six hundred eighty".