324144420 has 48 divisors (see below), whose sum is σ = 932140608. Its totient is φ = 84101760.

The previous prime is 324144419. The next prime is 324144421. The reversal of 324144420 is 24441423.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (324144419) and next prime (324144421).

It is not an unprimeable number, because it can be changed into a prime (324144421) 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 15 ways as a sum of consecutive naturals, for example, 70786 + ... + 75225.

It is an arithmetic number, because the mean of its divisors is an integer number (19419596).

Almost surely, 2^324144420 is an apocalyptic number.

324144420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

324144420 is an abundant number, since it is smaller than the sum of its proper divisors (607996188).

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

324144420 is a wasteful number, since it uses less digits than its factorization.

324144420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146060 (or 146058 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 324144420 is about 18004.0112197255. The cubic root of 324144420 is about 686.9305795281.

Adding to 324144420 its reverse (24441423), we get a palindrome (348585843).

The spelling of 324144420 in words is "three hundred twenty-four million, one hundred forty-four thousand, four hundred twenty".