324313040 has 40 divisors (see below), whose sum is σ = 755291688. Its totient is φ = 129507840.

The previous prime is 324313037. The next prime is 324313049. The reversal of 324313040 is 40313423.

It can be written as a sum of positive squares in 4 ways, for example, as 161086864 + 163226176 = 12692^2 + 12776^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324313049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49814 + ... + 55946.

Almost surely, 2^324313040 is an apocalyptic number.

It is an amenable number.

324313040 is an abundant number, since it is smaller than the sum of its proper divisors (430978648).

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

324313040 is a wasteful number, since it uses less digits than its factorization.

324313040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807 (or 6801 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 324313040 is about 18008.6934562172. The cubic root of 324313040 is about 687.0496726936.

Adding to 324313040 its reverse (40313423), we get a palindrome (364626463).

The spelling of 324313040 in words is "three hundred twenty-four million, three hundred thirteen thousand, forty".