443918968 has 8 divisors (see below), whose sum is σ = 832348080. Its totient is φ = 221959480.

The previous prime is 443918957. The next prime is 443918987. The reversal of 443918968 is 869819344.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27744928 + ... + 27744943.

It is an arithmetic number, because the mean of its divisors is an integer number (104043510).

Almost surely, 2^443918968 is an apocalyptic number.

It is an amenable number.

443918968 is a deficient number, since it is larger than the sum of its proper divisors (388429112).

443918968 is a wasteful number, since it uses less digits than its factorization.

443918968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55489877 (or 55489873 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 443918968 is about 21069.3846136996. The cubic root of 443918968 is about 762.8419495741.

The spelling of 443918968 in words is "four hundred forty-three million, nine hundred eighteen thousand, nine hundred sixty-eight".