324244140 has 48 divisors (see below), whose sum is σ = 990420480. Its totient is φ = 78604480.

The previous prime is 324244127. The next prime is 324244163. The reversal of 324244140 is 41442423.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 324244140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244980 + ... + 246299.

It is an arithmetic number, because the mean of its divisors is an integer number (20633760).

Almost surely, 2^324244140 is an apocalyptic number.

324244140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

324244140 is an abundant number, since it is smaller than the sum of its proper divisors (666176340).

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

324244140 is a wasteful number, since it uses less digits than its factorization.

324244140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491302 (or 491300 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 324244140 is about 18006.7803896199. The cubic root of 324244140 is about 687.0010148957.

Adding to 324244140 its reverse (41442423), we get a palindrome (365686563).

The spelling of 324244140 in words is "three hundred twenty-four million, two hundred forty-four thousand, one hundred forty".