443413668 has 12 divisors (see below), whose sum is σ = 1034631920. Its totient is φ = 147804552.

The previous prime is 443413657. The next prime is 443413693. The reversal of 443413668 is 866314344.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 18475558 + ... + 18475581.

Almost surely, 2^443413668 is an apocalyptic number.

It is an amenable number.

443413668 is an abundant number, since it is smaller than the sum of its proper divisors (591218252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

443413668 is a wasteful number, since it uses less digits than its factorization.

443413668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36951146 (or 36951144 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 443413668 is about 21057.3898667427. The cubic root of 443413668 is about 762.5523994448.

The spelling of 443413668 in words is "four hundred forty-three million, four hundred thirteen thousand, six hundred sixty-eight".