4056854866 has 32 divisors (see below), whose sum is σ = 6445536768. Its totient is φ = 1912014720.

The previous prime is 4056854861. The next prime is 4056854873. The reversal of 4056854866 is 6684586504.

It is not an unprimeable number, because it can be changed into a prime (4056854861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1056486 + ... + 1060318.

It is an arithmetic number, because the mean of its divisors is an integer number (201423024).

Almost surely, 2^4056854866 is an apocalyptic number.

4056854866 is a deficient number, since it is larger than the sum of its proper divisors (2388681902).

4056854866 is a wasteful number, since it uses less digits than its factorization.

4056854866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306.

The product of its (nonzero) digits is 5529600, while the sum is 52.

The square root of 4056854866 is about 63693.4444507439. Note that the first 4 decimals coincide. The cubic root of 4056854866 is about 1594.8866533055.

The spelling of 4056854866 in words is "four billion, fifty-six million, eight hundred fifty-four thousand, eight hundred sixty-six".