4444466666 has 16 divisors (see below), whose sum is σ = 6854537088. Its totient is φ = 2160021600.

The previous prime is 4444466657. The next prime is 4444466699. The reversal of 4444466666 is 6666644444.

4444466666 is a modest number, since divided by 66666 gives 44444 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77780 + ... + 122223.

It is an arithmetic number, because the mean of its divisors is an integer number (428408568).

Almost surely, 2^4444466666 is an apocalyptic number.

4444466666 is a deficient number, since it is larger than the sum of its proper divisors (2410070422).

4444466666 is a wasteful number, since it uses less digits than its factorization.

4444466666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200317.

The product of its digits is 7962624, while the sum is 50.

The square root of 4444466666 is about 66666.8333281250. The cubic root of 4444466666 is about 1644.1441230358.

The spelling of 4444466666 in words is "four billion, four hundred forty-four million, four hundred sixty-six thousand, six hundred sixty-six".