13042660044042 has 24 divisors (see below), whose sum is σ = 28259365055844. Its totient is φ = 4347512072064.

The previous prime is 13042660044023. The next prime is 13042660044047. The reversal of 13042660044042 is 24044006624031.

13042660044042 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 2 + 6 + 600 + 4 + 4 + 0 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10582470931041 + 2460189113001 = 3253071^2 + 1568499^2 .

It is a super-2 number, since 2×13042660044042² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13042660043988 and 13042660044006.

It is not an unprimeable number, because it can be changed into a prime (13042660044047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1460293 + ... + 5312040.

Almost surely, 2^{13042660044042} is an apocalyptic number.

13042660044042 is an abundant number, since it is smaller than the sum of its proper divisors (15216705011802).

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

13042660044042 is a wasteful number, since it uses less digits than its factorization.

13042660044042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6879334 (or 6879331 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 13042660044042 its reverse (24044006624031), we get a palindrome (37086666668073).

The spelling of 13042660044042 in words is "thirteen trillion, forty-two billion, six hundred sixty million, forty-four thousand, forty-two".