443425320 has 128 divisors (see below), whose sum is σ = 1591833600. Its totient is φ = 109147392.

The previous prime is 443425319. The next prime is 443425327. The reversal of 443425320 is 23524344.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (443425327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1752 + ... + 29831.

It is an arithmetic number, because the mean of its divisors is an integer number (12436200).

Almost surely, 2^443425320 is an apocalyptic number.

443425320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 443425320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795916800).

443425320 is an abundant number, since it is smaller than the sum of its proper divisors (1148408280).

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

443425320 is a wasteful number, since it uses less digits than its factorization.

443425320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31616 (or 31606 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 443425320 is about 21057.6665373920. Note that the first 3 decimals coincide. The cubic root of 443425320 is about 762.5590788229.

Adding to 443425320 its reverse (23524344), we get a palindrome (466949664).

The spelling of 443425320 in words is "four hundred forty-three million, four hundred twenty-five thousand, three hundred twenty".