4494656656 has 80 divisors (see below), whose sum is σ = 10710921600. Its totient is φ = 1783203840.

The previous prime is 4494656623. The next prime is 4494656689. The reversal of 4494656656 is 6566564944.

It is an interprime number because it is at equal distance from previous prime (4494656623) and next prime (4494656689).

It is a junction number, because it is equal to n+sod(n) for n = 4494656597 and 4494656606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96795 + ... + 135493.

It is an arithmetic number, because the mean of its divisors is an integer number (133886520).

Almost surely, 2^4494656656 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 4494656656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5355460800).

4494656656 is an abundant number, since it is smaller than the sum of its proper divisors (6216264944).

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

4494656656 is a wasteful number, since it uses less digits than its factorization.

4494656656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38792 (or 38786 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 55.

The square root of 4494656656 is about 67042.2005605425. The cubic root of 4494656656 is about 1650.3099088528.

The spelling of 4494656656 in words is "four billion, four hundred ninety-four million, six hundred fifty-six thousand, six hundred fifty-six".