13344444235540 has 48 divisors (see below), whose sum is σ = 30598776903744. Its totient is φ = 4848101638400.

The previous prime is 13344444235537. The next prime is 13344444235579. The reversal of 13344444235540 is 4553244444331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27405226 + ... + 27887905.

It is an arithmetic number, because the mean of its divisors is an integer number (637474518828).

Almost surely, 2^{13344444235540} is an apocalyptic number.

13344444235540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13344444235540 is an abundant number, since it is smaller than the sum of its proper divisors (17254332668204).

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

13344444235540 is a wasteful number, since it uses less digits than its factorization.

13344444235540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55294248 (or 55294246 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 46.

Adding to 13344444235540 its reverse (4553244444331), we get a palindrome (17897688679871).

The spelling of 13344444235540 in words is "thirteen trillion, three hundred forty-four billion, four hundred forty-four million, two hundred thirty-five thousand, five hundred forty".