443489742 has 40 divisors (see below), whose sum is σ = 997433976. Its totient is φ = 147281328.

The previous prime is 443489731. The next prime is 443489771. The reversal of 443489742 is 247984344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39933 + ... + 49815.

Almost surely, 2^443489742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 443489742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498716988).

443489742 is an abundant number, since it is smaller than the sum of its proper divisors (553944234).

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

443489742 is a wasteful number, since it uses less digits than its factorization.

443489742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10174 (or 10165 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 443489742 is about 21059.1961385044. The cubic root of 443489742 is about 762.5960058994.

The spelling of 443489742 in words is "four hundred forty-three million, four hundred eighty-nine thousand, seven hundred forty-two".