324242440 has 32 divisors (see below), whose sum is σ = 730246680. Its totient is φ = 129572352.

The previous prime is 324242437. The next prime is 324242447. The reversal of 324242440 is 44242423.

It can be written as a sum of positive squares in 4 ways, for example, as 272316004 + 51926436 = 16502^2 + 7206^2 .

It is not an unprimeable number, because it can be changed into a prime (324242447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46204 + ... + 52756.

Almost surely, 2^324242440 is an apocalyptic number.

It is an amenable number.

324242440 is an abundant number, since it is smaller than the sum of its proper divisors (406004240).

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

324242440 is a wasteful number, since it uses less digits than its factorization.

324242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801 (or 7797 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 324242440 is about 18006.7331851172. The cubic root of 324242440 is about 686.9998142533. Note that the first 3 decimals are identical.

Adding to 324242440 its reverse (44242423), we get a palindrome (368484863).

The spelling of 324242440 in words is "three hundred twenty-four million, two hundred forty-two thousand, four hundred forty".