42442043044 has 12 divisors (see below), whose sum is σ = 74541712924. Its totient is φ = 21144410784.

The previous prime is 42442043027. The next prime is 42442043047. The reversal of 42442043044 is 44034024424.

It can be written as a sum of positive squares in 2 ways, for example, as 5581882944 + 36860160100 = 74712^2 + 191990^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42442042997 and 42442043015.

It is not an unprimeable number, because it can be changed into a prime (42442043047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19151439 + ... + 19153654.

Almost surely, 2^42442043044 is an apocalyptic number.

It is an amenable number.

42442043044 is a deficient number, since it is larger than the sum of its proper divisors (32099669880).

42442043044 is a wasteful number, since it uses less digits than its factorization.

42442043044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38305374 (or 38305372 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 42442043044 its reverse (44034024424), we get a palindrome (86476067468).

The spelling of 42442043044 in words is "forty-two billion, four hundred forty-two million, forty-three thousand, forty-four".