324402452 has 36 divisors (see below), whose sum is σ = 626078880. Its totient is φ = 146966160.

The previous prime is 324402443. The next prime is 324402457. The reversal of 324402452 is 254204423.

It is a happy number.

It is a super-2 number, since 2×324402452² = 210473901727224608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324402457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172823 + ... + 174689.

It is an arithmetic number, because the mean of its divisors is an integer number (17391080).

Almost surely, 2^324402452 is an apocalyptic number.

It is an amenable number.

324402452 is a deficient number, since it is larger than the sum of its proper divisors (301676428).

324402452 is a wasteful number, since it uses less digits than its factorization.

324402452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252 (or 2239 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 324402452 is about 18011.1757528486. The cubic root of 324402452 is about 687.1128059766.

Adding to 324402452 its reverse (254204423), we get a palindrome (578606875).

The spelling of 324402452 in words is "three hundred twenty-four million, four hundred two thousand, four hundred fifty-two".