4489744456 has 16 divisors (see below), whose sum is σ = 8500003200. Its totient is φ = 2223076944.

The previous prime is 4489744453. The next prime is 4489744499. The reversal of 4489744456 is 6544479844.

It is a junction number, because it is equal to n+sod(n) for n = 4489744397 and 4489744406.

It is not an unprimeable number, because it can be changed into a prime (4489744453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2723536 + ... + 2725183.

It is an arithmetic number, because the mean of its divisors is an integer number (531250200).

Almost surely, 2^4489744456 is an apocalyptic number.

It is an amenable number.

4489744456 is a deficient number, since it is larger than the sum of its proper divisors (4010258744).

4489744456 is a wasteful number, since it uses less digits than its factorization.

4489744456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448828 (or 5448824 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 55.

The square root of 4489744456 is about 67005.5554114732. Note that the first 3 decimals coincide. The cubic root of 4489744456 is about 1649.7084830564.

The spelling of 4489744456 in words is "four billion, four hundred eighty-nine million, seven hundred forty-four thousand, four hundred fifty-six".