4066305406 has 16 divisors (see below), whose sum is σ = 6569798400. Its totient is φ = 1881349848.

The previous prime is 4066305391. The next prime is 4066305409. The reversal of 4066305406 is 6045036604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066305409) 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, 1242646 + ... + 1245913.

It is an arithmetic number, because the mean of its divisors is an integer number (410612400).

Almost surely, 2^4066305406 is an apocalyptic number.

4066305406 is a deficient number, since it is larger than the sum of its proper divisors (2503492994).

4066305406 is a wasteful number, since it uses less digits than its factorization.

4066305406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488623.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 4066305406 is about 63767.5889931554. The cubic root of 4066305406 is about 1596.1241350318.

The spelling of 4066305406 in words is "four billion, sixty-six million, three hundred five thousand, four hundred six".