4000430566 has 16 divisors (see below), whose sum is σ = 6669673488. Its totient is φ = 1784068000.

The previous prime is 4000430527. The next prime is 4000430591. The reversal of 4000430566 is 6650340004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1714285 + ... + 1716616.

It is an arithmetic number, because the mean of its divisors is an integer number (416854593).

Almost surely, 2^4000430566 is an apocalyptic number.

4000430566 is a deficient number, since it is larger than the sum of its proper divisors (2669242922).

4000430566 is a wasteful number, since it uses less digits than its factorization.

4000430566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430967.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 4000430566 is about 63248.9570348792. The cubic root of 4000430566 is about 1587.4580066681.

The spelling of 4000430566 in words is "four billion, four hundred thirty thousand, five hundred sixty-six".