324132303402440 has 128 divisors (see below), whose sum is σ = 789156627073920. Its totient is φ = 119106854092800.

The previous prime is 324132303402437. The next prime is 324132303402451. The reversal of 324132303402440 is 44204303231423.

It is a self number, because there is not a number n which added to its sum of digits gives 324132303402440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2907195095 + ... + 2907306585.

It is an arithmetic number, because the mean of its divisors is an integer number (6165286149015).

Almost surely, 2^{324132303402440} 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 324132303402440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394578313536960).

324132303402440 is an abundant number, since it is smaller than the sum of its proper divisors (465024323671480).

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

324132303402440 is a wasteful number, since it uses less digits than its factorization.

324132303402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138223 (or 138219 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 324132303402440 its reverse (44204303231423), we get a palindrome (368336606633863).

The spelling of 324132303402440 in words is "three hundred twenty-four trillion, one hundred thirty-two billion, three hundred three million, four hundred two thousand, four hundred forty".