13442340438 has 24 divisors (see below), whose sum is σ = 30657970200. Its totient is φ = 4244949504.

The previous prime is 13442340433. The next prime is 13442340451. The reversal of 13442340438 is 83404324431.

13442340438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442340433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19652203 + ... + 19652886.

It is an arithmetic number, because the mean of its divisors is an integer number (1277415425).

Almost surely, 2^13442340438 is an apocalyptic number.

13442340438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13442340438 is an abundant number, since it is smaller than the sum of its proper divisors (17215629762).

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

13442340438 is a wasteful number, since it uses less digits than its factorization.

13442340438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39305116 (or 39305113 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 13442340438 its reverse (83404324431), we get a palindrome (96846664869).

The spelling of 13442340438 in words is "thirteen billion, four hundred forty-two million, three hundred forty thousand, four hundred thirty-eight".