324642140 has 12 divisors (see below), whose sum is σ = 681748536. Its totient is φ = 129856848.

The previous prime is 324642121. The next prime is 324642167. The reversal of 324642140 is 41246423.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8116034 + ... + 8116073.

It is an arithmetic number, because the mean of its divisors is an integer number (56812378).

Almost surely, 2^324642140 is an apocalyptic number.

It is an amenable number.

324642140 is an abundant number, since it is smaller than the sum of its proper divisors (357106396).

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

324642140 is a wasteful number, since it uses less digits than its factorization.

324642140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16232116 (or 16232114 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 324642140 is about 18017.8283930112. The cubic root of 324642140 is about 687.2819910411.

Adding to 324642140 its reverse (41246423), we get a palindrome (365888563).

The spelling of 324642140 in words is "three hundred twenty-four million, six hundred forty-two thousand, one hundred forty".