443990056 has 16 divisors (see below), whose sum is σ = 832760640. Its totient is φ = 221920560.

The previous prime is 443990021. The next prime is 443990089. The reversal of 443990056 is 650099344.

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, 22371 + ... + 37261.

It is an arithmetic number, because the mean of its divisors is an integer number (52047540).

Almost surely, 2^443990056 is an apocalyptic number.

It is an amenable number.

443990056 is a deficient number, since it is larger than the sum of its proper divisors (388770584).

443990056 is a wasteful number, since it uses less digits than its factorization.

443990056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18624 (or 18620 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 443990056 is about 21071.0715437066. The cubic root of 443990056 is about 762.8826672261.

The spelling of 443990056 in words is "four hundred forty-three million, nine hundred ninety thousand, fifty-six".