443421168 has 40 divisors (see below), whose sum is σ = 1146438528. Its totient is φ = 147686592.

The previous prime is 443421157. The next prime is 443421257. The reversal of 443421168 is 861124344.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71071 + ... + 77057.

Almost surely, 2^443421168 is an apocalyptic number.

443421168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

443421168 is an abundant number, since it is smaller than the sum of its proper divisors (703017360).

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

443421168 is a wasteful number, since it uses less digits than its factorization.

443421168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541 (or 7535 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 443421168 is about 21057.5679507392. The cubic root of 443421168 is about 762.5566987490.

The spelling of 443421168 in words is "four hundred forty-three million, four hundred twenty-one thousand, one hundred sixty-eight".