13440101122432 has 16 divisors (see below), whose sum is σ = 26775201455100. Its totient is φ = 6720050561152.

The previous prime is 13440101122423. The next prime is 13440101122433. The reversal of 13440101122432 is 23422110104431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 13440101122432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440101122433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52500394882 + ... + 52500395137.

Almost surely, 2^{13440101122432} is an apocalyptic number.

It is an amenable number.

13440101122432 is a deficient number, since it is larger than the sum of its proper divisors (13335100332668).

13440101122432 is an equidigital number, since it uses as much as digits as its factorization.

13440101122432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105000790033 (or 105000790021 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 13440101122432 its reverse (23422110104431), we get a palindrome (36862211226863).

The spelling of 13440101122432 in words is "thirteen trillion, four hundred forty billion, one hundred one million, one hundred twenty-two thousand, four hundred thirty-two".