4484443666 has 8 divisors (see below), whose sum is σ = 6796012860. Its totient is φ = 2219106048.

The previous prime is 4484443657. The next prime is 4484443673. The reversal of 4484443666 is 6663444844.

It can be written as a sum of positive squares in 2 ways, for example, as 4189325625 + 295118041 = 64725^2 + 17179^2 .

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

It is a super-2 number, since 2×4484443666² = 40220469987055039112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11557651 + ... + 11558038.

Almost surely, 2^4484443666 is an apocalyptic number.

4484443666 is a deficient number, since it is larger than the sum of its proper divisors (2311569194).

4484443666 is a wasteful number, since it uses less digits than its factorization.

4484443666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23115788.

The product of its digits is 5308416, while the sum is 49.

The square root of 4484443666 is about 66965.9888749505. The cubic root of 4484443666 is about 1649.0589878897.

The spelling of 4484443666 in words is "four billion, four hundred eighty-four million, four hundred forty-three thousand, six hundred sixty-six".