324425231440 has 20 divisors (see below), whose sum is σ = 754288663284. Its totient is φ = 129770092544.

The previous prime is 324425231423. The next prime is 324425231441. The reversal of 324425231440 is 44132524423.

It can be written as a sum of positive squares in 2 ways, for example, as 78341770816 + 246083460624 = 279896^2 + 496068^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 324425231396 and 324425231405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324425231441) 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 3 ways as a sum of consecutive naturals, for example, 2027657617 + ... + 2027657776.

Almost surely, 2^324425231440 is an apocalyptic number.

It is an amenable number.

324425231440 is an abundant number, since it is smaller than the sum of its proper divisors (429863431844).

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

324425231440 is a wasteful number, since it uses less digits than its factorization.

324425231440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055315406 (or 4055315400 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 324425231440 its reverse (44132524423), we get a palindrome (368557755863).

The spelling of 324425231440 in words is "three hundred twenty-four billion, four hundred twenty-five million, two hundred thirty-one thousand, four hundred forty".