13043444400042 has 32 divisors (see below), whose sum is σ = 30422027760000. Its totient is φ = 3726698399424.

The previous prime is 13043444400023. The next prime is 13043444400059. The reversal of 13043444400042 is 24000444434031.

It is a junction number, because it is equal to n+sod(n) for n = 13043444399976 and 13043444400012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3168959167 + ... + 3168963282.

It is an arithmetic number, because the mean of its divisors is an integer number (950688367500).

Almost surely, 2^{13043444400042} is an apocalyptic number.

13043444400042 is an abundant number, since it is smaller than the sum of its proper divisors (17378583359958).

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

13043444400042 is an equidigital number, since it uses as much as digits as its factorization.

13043444400042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6337922475 (or 6337922461 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 13043444400042 its reverse (24000444434031), we get a palindrome (37043888834073).

The spelling of 13043444400042 in words is "thirteen trillion, forty-three billion, four hundred forty-four million, four hundred thousand, forty-two".