443252221605240 has 64 divisors (see below), whose sum is σ = 1329759544780800. Its totient is φ = 118200336431232.

The previous prime is 443252221605233. The next prime is 443252221605283. The reversal of 443252221605240 is 42506122252344.

It is a junction number, because it is equal to n+sod(n) for n = 443252221605192 and 443252221605201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55284001 + ... + 62791919.

It is an arithmetic number, because the mean of its divisors is an integer number (20777492887200).

Almost surely, 2^{443252221605240} is an apocalyptic number.

443252221605240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

443252221605240 is an abundant number, since it is smaller than the sum of its proper divisors (886507323175560).

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

443252221605240 is a wasteful number, since it uses less digits than its factorization.

443252221605240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7999916 (or 7999912 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 443252221605240 its reverse (42506122252344), we get a palindrome (485758343857584).

The spelling of 443252221605240 in words is "four hundred forty-three trillion, two hundred fifty-two billion, two hundred twenty-one million, six hundred five thousand, two hundred forty".