4446445306 has 8 divisors (see below), whose sum is σ = 6779006964. Its totient is φ = 2186776320.

The previous prime is 4446445301. The next prime is 4446445309. The reversal of 4446445306 is 6035446444.

It can be written as a sum of positive squares in 2 ways, for example, as 4444222225 + 2223081 = 66665^2 + 1491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4446445301) 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 3 ways as a sum of consecutive naturals, for example, 18223015 + ... + 18223258.

Almost surely, 2^4446445306 is an apocalyptic number.

4446445306 is a deficient number, since it is larger than the sum of its proper divisors (2332561658).

4446445306 is a wasteful number, since it uses less digits than its factorization.

4446445306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36446336.

The product of its (nonzero) digits is 552960, while the sum is 40.

The square root of 4446445306 is about 66681.6714397592. The cubic root of 4446445306 is about 1644.3880733175.

The spelling of 4446445306 in words is "four billion, four hundred forty-six million, four hundred forty-five thousand, three hundred six".