443242220440 has 64 divisors (see below), whose sum is σ = 1001763417600. Its totient is φ = 176502947712.

The previous prime is 443242220429. The next prime is 443242220441. The reversal of 443242220440 is 44022242344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443242220441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58914519 + ... + 58922041.

It is an arithmetic number, because the mean of its divisors is an integer number (15652553400).

Almost surely, 2^443242220440 is an apocalyptic number.

443242220440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

443242220440 is an abundant number, since it is smaller than the sum of its proper divisors (558521197160).

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

443242220440 is a wasteful number, since it uses less digits than its factorization.

443242220440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13936 (or 13932 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 443242220440 its reverse (44022242344), we get a palindrome (487264462784).

The spelling of 443242220440 in words is "four hundred forty-three billion, two hundred forty-two million, two hundred twenty thousand, four hundred forty".