324020144 has 60 divisors (see below), whose sum is σ = 740698128. Its totient is φ = 136886400.

The previous prime is 324020143. The next prime is 324020189. The reversal of 324020144 is 441020423.

It is not an unprimeable number, because it can be changed into a prime (324020141) 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, 52754 + ... + 58574.

Almost surely, 2^324020144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 324020144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370349064).

324020144 is an abundant number, since it is smaller than the sum of its proper divisors (416677984).

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

324020144 is a wasteful number, since it uses less digits than its factorization.

324020144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5914 (or 5901 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 324020144 is about 18000.5595468585. The cubic root of 324020144 is about 686.8427792640.

Adding to 324020144 its reverse (441020423), we get a palindrome (765040567).

The spelling of 324020144 in words is "three hundred twenty-four million, twenty thousand, one hundred forty-four".