324431240 has 32 divisors (see below), whose sum is σ = 834252480. Its totient is φ = 111233472.

The previous prime is 324431231. The next prime is 324431269. The reversal of 324431240 is 42134423.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579062 + ... + 579621.

It is an arithmetic number, because the mean of its divisors is an integer number (26070390).

Almost surely, 2^324431240 is an apocalyptic number.

It is an amenable number.

324431240 is an abundant number, since it is smaller than the sum of its proper divisors (509821240).

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

324431240 is a wasteful number, since it uses less digits than its factorization.

324431240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158701 (or 1158697 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 324431240 is about 18011.9749056010. The cubic root of 324431240 is about 687.1331305439.

Adding to 324431240 its reverse (42134423), we get a palindrome (366565663).

The spelling of 324431240 in words is "three hundred twenty-four million, four hundred thirty-one thousand, two hundred forty".