2042775985 has 8 divisors (see below), whose sum is σ = 2452893120. Its totient is φ = 1633179504.

The previous prime is 2042775961. The next prime is 2042775989. The reversal of 2042775985 is 5895772402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2042775985 - 2¹¹ = 2042773937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2042775989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121477 + ... + 137266.

It is an arithmetic number, because the mean of its divisors is an integer number (306611640).

Almost surely, 2^2042775985 is an apocalyptic number.

It is an amenable number.

2042775985 is a deficient number, since it is larger than the sum of its proper divisors (410117135).

2042775985 is a wasteful number, since it uses less digits than its factorization.

2042775985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260327.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The square root of 2042775985 is about 45197.0793857302. The cubic root of 2042775985 is about 1268.8401556617.

The spelling of 2042775985 in words is "two billion, forty-two million, seven hundred seventy-five thousand, nine hundred eighty-five".