4038642885 has 32 divisors (see below), whose sum is σ = 6670097280. Its totient is φ = 2085324800.

The previous prime is 4038642827. The next prime is 4038642889. The reversal of 4038642885 is 5882468304.

4038642885 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 4038642885 - 2¹⁸ = 4038380741 is a prime.

It is a super-2 number, since 2×4038642885² = 32621272705122246450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4038642889) 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, 55501 + ... + 105629.

It is an arithmetic number, because the mean of its divisors is an integer number (208440540).

Almost surely, 2^4038642885 is an apocalyptic number.

It is an amenable number.

4038642885 is a deficient number, since it is larger than the sum of its proper divisors (2631454395).

4038642885 is a wasteful number, since it uses less digits than its factorization.

4038642885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50309.

The product of its (nonzero) digits is 1474560, while the sum is 48.

The square root of 4038642885 is about 63550.3177411412. The cubic root of 4038642885 is about 1592.4964915100.

The spelling of 4038642885 in words is "four billion, thirty-eight million, six hundred forty-two thousand, eight hundred eighty-five".