12440132304 has 80 divisors (see below), whose sum is σ = 33100744512. Its totient is φ = 4023005184.

The previous prime is 12440132297. The next prime is 12440132311. The reversal of 12440132304 is 40323104421.

It is an interprime number because it is at equal distance from previous prime (12440132297) and next prime (12440132311).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 617007 + ... + 636849.

Almost surely, 2^12440132304 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 12440132304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16550372256).

12440132304 is an abundant number, since it is smaller than the sum of its proper divisors (20660612208).

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

12440132304 is a wasteful number, since it uses less digits than its factorization.

12440132304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20244 (or 20238 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12440132304 its reverse (40323104421), we get a palindrome (52763236725).

The spelling of 12440132304 in words is "twelve billion, four hundred forty million, one hundred thirty-two thousand, three hundred four".