443444140 has 24 divisors (see below), whose sum is σ = 971722080. Its totient is φ = 169665408.

The previous prime is 443444137. The next prime is 443444171. The reversal of 443444140 is 41444344.

It is a junction number, because it is equal to n+sod(n) for n = 443444099 and 443444108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481545 + ... + 482464.

It is an arithmetic number, because the mean of its divisors is an integer number (40488420).

Almost surely, 2^443444140 is an apocalyptic number.

It is an amenable number.

443444140 is an abundant number, since it is smaller than the sum of its proper divisors (528277940).

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

443444140 is a wasteful number, since it uses less digits than its factorization.

443444140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964041 (or 964039 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 443444140 is about 21058.1134007774. The cubic root of 443444140 is about 762.5698669295.

Adding to 443444140 its reverse (41444344), we get a palindrome (484888484).

It can be divided in two parts, 44344 and 4140, that added together give a palindrome (48484).

The spelling of 443444140 in words is "four hundred forty-three million, four hundred forty-four thousand, one hundred forty".