324023240 has 32 divisors (see below), whose sum is σ = 738288000. Its totient is φ = 127967424.

The previous prime is 324023239. The next prime is 324023257. The reversal of 324023240 is 42320423.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48110 + ... + 54429.

It is an arithmetic number, because the mean of its divisors is an integer number (23071500).

Almost surely, 2^324023240 is an apocalyptic number.

It is an amenable number.

324023240 is an abundant number, since it is smaller than the sum of its proper divisors (414264760).

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

324023240 is a wasteful number, since it uses less digits than its factorization.

324023240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102629 (or 102625 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 324023240 is about 18000.6455439798. The cubic root of 324023240 is about 686.8449668425.

Adding to 324023240 its reverse (42320423), we get a palindrome (366343663).

The spelling of 324023240 in words is "three hundred twenty-four million, twenty-three thousand, two hundred forty".