4471447856 has 20 divisors (see below), whose sum is σ = 8704495704. Its totient is φ = 2225126400.

The previous prime is 4471447819. The next prime is 4471447867. The reversal of 4471447856 is 6587441744.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658865 + ... + 665616.

Almost surely, 2^4471447856 is an apocalyptic number.

It is an amenable number.

4471447856 is a deficient number, since it is larger than the sum of its proper divisors (4233047848).

4471447856 is a wasteful number, since it uses less digits than its factorization.

4471447856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324700 (or 1324694 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 50.

The square root of 4471447856 is about 66868.8855597280. The cubic root of 4471447856 is about 1647.4644688283.

The spelling of 4471447856 in words is "four billion, four hundred seventy-one million, four hundred forty-seven thousand, eight hundred fifty-six".