12440140324 has 48 divisors (see below), whose sum is σ = 23226134400. Its totient is φ = 5820416000.

The previous prime is 12440140301. The next prime is 12440140369. The reversal of 12440140324 is 42304104421.

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, 473124 + ... + 498724.

It is an arithmetic number, because the mean of its divisors is an integer number (483877800).

Almost surely, 2^12440140324 is an apocalyptic number.

It is an amenable number.

12440140324 is a deficient number, since it is larger than the sum of its proper divisors (10785994076).

12440140324 is a wasteful number, since it uses less digits than its factorization.

12440140324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25764 (or 25762 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12440140324 its reverse (42304104421), we get a palindrome (54744244745).

The spelling of 12440140324 in words is "twelve billion, four hundred forty million, one hundred forty thousand, three hundred twenty-four".