4424403156544 has 112 divisors (see below), whose sum is σ = 10065700569600. Its totient is φ = 1890170634240.

The previous prime is 4424403156521. The next prime is 4424403156619. The reversal of 4424403156544 is 4456513044244.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 4424403156494 and 4424403156503.

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, 499984632 + ... + 499993480.

Almost surely, 2^{4424403156544} 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 4424403156544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5032850284800).

4424403156544 is an abundant number, since it is smaller than the sum of its proper divisors (5641297413056).

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

4424403156544 is a wasteful number, since it uses less digits than its factorization.

4424403156544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12276 (or 12266 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 46.

The spelling of 4424403156544 in words is "four trillion, four hundred twenty-four billion, four hundred three million, one hundred fifty-six thousand, five hundred forty-four".