13440121104224 has 48 divisors (see below), whose sum is σ = 29234841457248. Its totient is φ = 6049773176832.

The previous prime is 13440121104199. The next prime is 13440121104227. The reversal of 13440121104224 is 42240112104431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440121104227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537076727 + ... + 537101750.

It is an arithmetic number, because the mean of its divisors is an integer number (609059197026).

Almost surely, 2^{13440121104224} is an apocalyptic number.

It is an amenable number.

13440121104224 is an abundant number, since it is smaller than the sum of its proper divisors (15794720353024).

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

13440121104224 is a wasteful number, since it uses less digits than its factorization.

13440121104224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074178527 (or 1074178519 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 13440121104224 its reverse (42240112104431), we get a palindrome (55680233208655).

The spelling of 13440121104224 in words is "thirteen trillion, four hundred forty billion, one hundred twenty-one million, one hundred four thousand, two hundred twenty-four".