324320340 has 48 divisors (see below), whose sum is σ = 939415680. Its totient is φ = 83502720.

The previous prime is 324320251. The next prime is 324320341. The reversal of 324320340 is 43023423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324320341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91456 + ... + 94935.

It is an arithmetic number, because the mean of its divisors is an integer number (19571160).

Almost surely, 2^324320340 is an apocalyptic number.

324320340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

324320340 is an abundant number, since it is smaller than the sum of its proper divisors (615095340).

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

324320340 is a wasteful number, since it uses less digits than its factorization.

324320340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186432 (or 186430 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 324320340 is about 18008.8961349662. The cubic root of 324320340 is about 687.0548276153.

Adding to 324320340 its reverse (43023423), we get a palindrome (367343763).

The spelling of 324320340 in words is "three hundred twenty-four million, three hundred twenty thousand, three hundred forty".