4430220320440 has 32 divisors (see below), whose sum is σ = 10554348412080. Its totient is φ = 1667847649792.

The previous prime is 4430220320381. The next prime is 4430220320441. The reversal of 4430220320440 is 440230220344.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4430220320399 and 4430220320408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4430220320441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3257514262 + ... + 3257515621.

Almost surely, 2^{4430220320440} is an apocalyptic number.

4430220320440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4430220320440 is an abundant number, since it is smaller than the sum of its proper divisors (6124128091640).

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

4430220320440 is a wasteful number, since it uses less digits than its factorization.

4430220320440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515029911 (or 6515029907 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 4430220320440 its reverse (440230220344), we get a palindrome (4870450540784).

The spelling of 4430220320440 in words is "four trillion, four hundred thirty billion, two hundred twenty million, three hundred twenty thousand, four hundred forty".