324400052 has 24 divisors (see below), whose sum is σ = 601723080. Its totient is φ = 152499200.

The previous prime is 324400031. The next prime is 324400067. The reversal of 324400052 is 250004423.

It can be written as a sum of positive squares in 4 ways, for example, as 121793296 + 202606756 = 11036^2 + 14234^2 .

It is a junction number, because it is equal to n+sod(n) for n = 324399997 and 324400033.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 85802 + ... + 89502.

It is an arithmetic number, because the mean of its divisors is an integer number (25071795).

Almost surely, 2^324400052 is an apocalyptic number.

It is an amenable number.

324400052 is a deficient number, since it is larger than the sum of its proper divisors (277323028).

324400052 is a wasteful number, since it uses less digits than its factorization.

324400052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011 (or 5009 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 324400052 is about 18011.1091274247. The cubic root of 324400052 is about 687.1111115024. Note that the first 6 decimals are identical.

Adding to 324400052 its reverse (250004423), we get a palindrome (574404475).

The spelling of 324400052 in words is "three hundred twenty-four million, four hundred thousand, fifty-two".