42738044068 has 12 divisors (see below), whose sum is σ = 74866600732. Its totient is φ = 21347586720.

The previous prime is 42738044033. The next prime is 42738044119. The reversal of 42738044068 is 86044083724.

42738044068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 31900817664 + 10837226404 = 178608^2 + 104102^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5354343 + ... + 5362318.

Almost surely, 2^42738044068 is an apocalyptic number.

It is an amenable number.

42738044068 is a deficient number, since it is larger than the sum of its proper divisors (32128556664).

42738044068 is a wasteful number, since it uses less digits than its factorization.

42738044068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10717662 (or 10717660 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 42738044068 in words is "forty-two billion, seven hundred thirty-eight million, forty-four thousand, sixty-eight".