324204140 has 48 divisors (see below), whose sum is σ = 735385728. Its totient is φ = 119349504.

The previous prime is 324204109. The next prime is 324204149. The reversal of 324204140 is 41402423.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (324204149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95309 + ... + 98651.

It is an arithmetic number, because the mean of its divisors is an integer number (15320536).

Almost surely, 2^324204140 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 324204140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367692864).

324204140 is an abundant number, since it is smaller than the sum of its proper divisors (411181588).

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

324204140 is a wasteful number, since it uses less digits than its factorization.

324204140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738 (or 3736 counting only the distinct ones).

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

The square root of 324204140 is about 18005.6696626368. The cubic root of 324204140 is about 686.9727633744.

Adding to 324204140 its reverse (41402423), we get a palindrome (365606563).

The spelling of 324204140 in words is "three hundred twenty-four million, two hundred four thousand, one hundred forty".