13612541243444 has 24 divisors (see below), whose sum is σ = 27986623256928. Its totient is φ = 5711555766240.

The previous prime is 13612541243393. The next prime is 13612541243459. The reversal of 13612541243444 is 44434214521631.

It is a super-2 number, since 2×13612541243444² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 13612541243395 and 13612541243404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11899073942 + ... + 11899075085.

It is an arithmetic number, because the mean of its divisors is an integer number (1166109302372).

Almost surely, 2^{13612541243444} is an apocalyptic number.

It is an amenable number.

13612541243444 is an abundant number, since it is smaller than the sum of its proper divisors (14374082013484).

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

13612541243444 is a wasteful number, since it uses less digits than its factorization.

13612541243444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23798149055 (or 23798149053 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 44.

The spelling of 13612541243444 in words is "thirteen trillion, six hundred twelve billion, five hundred forty-one million, two hundred forty-three thousand, four hundred forty-four".