324430040 has 96 divisors (see below), whose sum is σ = 849774240. Its totient is φ = 111006720.

The previous prime is 324430033. The next prime is 324430063. The reversal of 324430040 is 40034423.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 324429994 and 324430021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80309 + ... + 84251.

It is an arithmetic number, because the mean of its divisors is an integer number (8851815).

Almost surely, 2^324430040 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 324430040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424887120).

324430040 is an abundant number, since it is smaller than the sum of its proper divisors (525344200).

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

324430040 is a wasteful number, since it uses less digits than its factorization.

324430040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993 (or 3978 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 324430040 is about 18011.9415943979. The cubic root of 324430040 is about 687.1322833579.

Adding to 324430040 its reverse (40034423), we get a palindrome (364464463).

The spelling of 324430040 in words is "three hundred twenty-four million, four hundred thirty thousand, forty".