12330320440 has 64 divisors (see below), whose sum is σ = 28037871360. Its totient is φ = 4879902720.

The previous prime is 12330320417. The next prime is 12330320441. The reversal of 12330320440 is 4402303321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12330320441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2985657 + ... + 2989783.

It is an arithmetic number, because the mean of its divisors is an integer number (438091740).

Almost surely, 2^12330320440 is an apocalyptic number.

12330320440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12330320440 is an abundant number, since it is smaller than the sum of its proper divisors (15707550920).

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

12330320440 is a wasteful number, since it uses less digits than its factorization.

12330320440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912 (or 4908 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 12330320440 its reverse (4402303321), we get a palindrome (16732623761).

The spelling of 12330320440 in words is "twelve billion, three hundred thirty million, three hundred twenty thousand, four hundred forty".