42038037566 has 24 divisors (see below), whose sum is σ = 73360990440. Its totient is φ = 18014114832.

The previous prime is 42038037553. The next prime is 42038037571. The reversal of 42038037566 is 66573083024.

42038037566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 984476 + ... + 1026288.

It is an arithmetic number, because the mean of its divisors is an integer number (3056707935).

Almost surely, 2^42038037566 is an apocalyptic number.

42038037566 is a deficient number, since it is larger than the sum of its proper divisors (31322952874).

42038037566 is a wasteful number, since it uses less digits than its factorization.

42038037566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52088 (or 52081 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 42038037566 in words is "forty-two billion, thirty-eight million, thirty-seven thousand, five hundred sixty-six".