4463440443644 has 96 divisors (see below), whose sum is σ = 9947794913280. Its totient is φ = 1704400733952.

The previous prime is 4463440443641. The next prime is 4463440443727.

4463440443644 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4463440443592 and 4463440443601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4463440443641) 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, 39708329 + ... + 39820575.

It is an arithmetic number, because the mean of its divisors is an integer number (103622863680).

Almost surely, 2^{4463440443644} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4463440443644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4973897456640).

4463440443644 is an abundant number, since it is smaller than the sum of its proper divisors (5484354469636).

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

4463440443644 is a wasteful number, since it uses less digits than its factorization.

4463440443644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116067 (or 116065 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 50.

The spelling of 4463440443644 in words is "four trillion, four hundred sixty-three billion, four hundred forty million, four hundred forty-three thousand, six hundred forty-four".