12440010342040 has 16 divisors (see below), whose sum is σ = 27990023269680. Its totient is φ = 4976004136800.

The previous prime is 12440010342017. The next prime is 12440010342043. The reversal of 12440010342040 is 4024301004421.

12440010342040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12440010341996 and 12440010342014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440010342043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155500129236 + ... + 155500129315.

It is an arithmetic number, because the mean of its divisors is an integer number (1749376454355).

Almost surely, 2^{12440010342040} is an apocalyptic number.

12440010342040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12440010342040 is an abundant number, since it is smaller than the sum of its proper divisors (15550012927640).

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

12440010342040 is a wasteful number, since it uses less digits than its factorization.

12440010342040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311000258562 (or 311000258558 counting only the distinct ones).

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

Adding to 12440010342040 its reverse (4024301004421), we get a palindrome (16464311346461).

The spelling of 12440010342040 in words is "twelve trillion, four hundred forty billion, ten million, three hundred forty-two thousand, forty".