13144443334452 has 72 divisors (see below), whose sum is σ = 34120649751552. Its totient is φ = 4264565976000.

The previous prime is 13144443334447. The next prime is 13144443334457. The reversal of 13144443334452 is 25443334444131.

13144443334452 is a `hidden beast` number, since 1 + 3 + 144 + 4 + 433 + 34 + 45 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (13144443334447) and next prime (13144443334457).

It is a super-2 number, since 2×13144443334452² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13144443334398 and 13144443334407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144443334457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21153924 + ... + 21766427.

It is an arithmetic number, because the mean of its divisors is an integer number (473897913216).

Almost surely, 2^{13144443334452} is an apocalyptic number.

13144443334452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13144443334452 is an abundant number, since it is smaller than the sum of its proper divisors (20976206417100).

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

13144443334452 is a wasteful number, since it uses less digits than its factorization.

13144443334452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42920589 (or 42920584 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 45.

Adding to 13144443334452 its reverse (25443334444131), we get a palindrome (38587777778583).

The spelling of 13144443334452 in words is "thirteen trillion, one hundred forty-four billion, four hundred forty-three million, three hundred thirty-four thousand, four hundred fifty-two".