324040020 has 48 divisors (see below), whose sum is σ = 909807360. Its totient is φ = 86173056.

The previous prime is 324040007. The next prime is 324040021. The reversal of 324040020 is 20040423.

It is a happy number.

324040020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324040021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15141 + ... + 29619.

It is an arithmetic number, because the mean of its divisors is an integer number (18954320).

Almost surely, 2^324040020 is an apocalyptic number.

324040020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

324040020 is an abundant number, since it is smaller than the sum of its proper divisors (585767340).

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

324040020 is a wasteful number, since it uses less digits than its factorization.

324040020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14864 (or 14862 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 324040020 is about 18001.1116323409. Note that the first 3 decimals coincide. The cubic root of 324040020 is about 686.8568230492.

Adding to 324040020 its reverse (20040423), we get a palindrome (344080443).

The spelling of 324040020 in words is "three hundred twenty-four million, forty thousand, twenty".