13443444042120 has 192 divisors, whose sum is σ = 43742653372080. Its totient is φ = 3580698820608.

The previous prime is 13443444042109. The next prime is 13443444042137. The reversal of 13443444042120 is 2124044434431.

13443444042120 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 34 + 4 + 404 + 212 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 6906289392324 + 6537154649796 = 2627982^2 + 2556786^2 .

It is a super-2 number, since 2×13443444042120² (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 an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1250198664 + ... + 1250209416.

Almost surely, 2^{13443444042120} is an apocalyptic number.

13443444042120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13443444042120 is an abundant number, since it is smaller than the sum of its proper divisors (30299209329960).

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

13443444042120 is a wasteful number, since it uses less digits than its factorization.

13443444042120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14536 (or 14529 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 13443444042120 its reverse (2124044434431), we get a palindrome (15567488476551).

The spelling of 13443444042120 in words is "thirteen trillion, four hundred forty-three billion, four hundred forty-four million, forty-two thousand, one hundred twenty".