42044044204039 has 2 divisors, whose sum is σ = 42044044204040. Its totient is φ = 42044044204038.

The previous prime is 42044044204033. The next prime is 42044044204133. The reversal of 42044044204039 is 93040244044024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42044044204039 - 2²¹ = 42044042106887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42044044203992 and 42044044204010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42044044204033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21022022102019 + 21022022102020.

It is an arithmetic number, because the mean of its divisors is an integer number (21022022102020).

Almost surely, 2^{42044044204039} is an apocalyptic number.

42044044204039 is a deficient number, since it is larger than the sum of its proper divisors (1).

42044044204039 is an equidigital number, since it uses as much as digits as its factorization.

42044044204039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 42044044204039 in words is "forty-two trillion, forty-four billion, forty-four million, two hundred four thousand, thirty-nine".