4081199858 has 18 divisors (see below), whose sum is σ = 6179941071. Its totient is φ = 2021401404.

The previous prime is 4081199827. The next prime is 4081199887. The reversal of 4081199858 is 8589911804.

It is a happy number.

4081199858 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 only one way, i.e., 2040599929 + 2040599929 = 45173^2 + 45173^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=45173.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17978741 + ... + 17978967.

Almost surely, 2^4081199858 is an apocalyptic number.

4081199858 is a deficient number, since it is larger than the sum of its proper divisors (2098741213).

4081199858 is an frugal number, since it uses more digits than its factorization.

4081199858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 53.

The square root of 4081199858 is about 63884.2692530798. The cubic root of 4081199858 is about 1598.0705724306.

The spelling of 4081199858 in words is "four billion, eighty-one million, one hundred ninety-nine thousand, eight hundred fifty-eight".