323244044240 has 160 divisors (see below), whose sum is σ = 867370484736. Its totient is φ = 111076669440.

The previous prime is 323244044209. The next prime is 323244044257. The reversal of 323244044240 is 42440442323.

It is a junction number, because it is equal to n+sod(n) for n = 323244044197 and 323244044206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 702425 + ... + 1067655.

Almost surely, 2^323244044240 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 323244044240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433685242368).

323244044240 is an abundant number, since it is smaller than the sum of its proper divisors (544126440496).

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

323244044240 is a wasteful number, since it uses less digits than its factorization.

323244044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365317 (or 365311 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 323244044240 its reverse (42440442323), we get a palindrome (365684486563).

The spelling of 323244044240 in words is "three hundred twenty-three billion, two hundred forty-four million, forty-four thousand, two hundred forty".