323330440240 has 20 divisors (see below), whose sum is σ = 751743273744. Its totient is φ = 129332176064.

The previous prime is 323330440219. The next prime is 323330440291. The reversal of 323330440240 is 42044033323.

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

It is a super-2 number, since 2×323330440240² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323330440199 and 323330440208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020815172 + ... + 2020815331.

Almost surely, 2^323330440240 is an apocalyptic number.

It is an amenable number.

323330440240 is an abundant number, since it is smaller than the sum of its proper divisors (428412833504).

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

323330440240 is a wasteful number, since it uses less digits than its factorization.

323330440240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041630516 (or 4041630510 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 323330440240 its reverse (42044033323), we get a palindrome (365374473563).

The spelling of 323330440240 in words is "three hundred twenty-three billion, three hundred thirty million, four hundred forty thousand, two hundred forty".