13331243044440 has 192 divisors, whose sum is σ = 48289642408800. Its totient is φ = 3169781600256.

The previous prime is 13331243044433. The next prime is 13331243044451. The reversal of 13331243044440 is 4444034213331.

13331243044440 is a `hidden beast` number, since 1 + 3 + 331 + 243 + 0 + 4 + 44 + 40 = 666.

It is a super-2 number, since 2×13331243044440² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13331243044395 and 13331243044404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57207607 + ... + 57440166.

Almost surely, 2^{13331243044440} is an apocalyptic number.

13331243044440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13331243044440 is an abundant number, since it is smaller than the sum of its proper divisors (34958399364360).

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

13331243044440 is a wasteful number, since it uses less digits than its factorization.

13331243044440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114647826 (or 114647819 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 13331243044440 its reverse (4444034213331), we get a palindrome (17775277257771).

The spelling of 13331243044440 in words is "thirteen trillion, three hundred thirty-one billion, two hundred forty-three million, forty-four thousand, four hundred forty".