42044429805 has 32 divisors (see below), whose sum is σ = 76890968064. Its totient is φ = 19217879616.

The previous prime is 42044429773. The next prime is 42044429807. The reversal of 42044429805 is 50892444024.

42044429805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42044429805 - 2⁵ = 42044429773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42044429807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1008892 + ... + 1049738.

It is an arithmetic number, because the mean of its divisors is an integer number (2402842752).

Almost surely, 2^42044429805 is an apocalyptic number.

It is an amenable number.

42044429805 is a deficient number, since it is larger than the sum of its proper divisors (34846538259).

42044429805 is a wasteful number, since it uses less digits than its factorization.

42044429805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50665.

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 42044429805 in words is "forty-two billion, forty-four million, four hundred twenty-nine thousand, eight hundred five".