4449056168 has 32 divisors (see below), whose sum is σ = 8512921800. Its totient is φ = 2179077888.

The previous prime is 4449056159. The next prime is 4449056239. The reversal of 4449056168 is 8616509444.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3246492484 + 1202563684 = 56978^2 + 34678^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268838 + ... + 284906.

Almost surely, 2^4449056168 is an apocalyptic number.

It is an amenable number.

4449056168 is a deficient number, since it is larger than the sum of its proper divisors (4063865632).

4449056168 is a wasteful number, since it uses less digits than its factorization.

4449056168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16781 (or 16777 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 4449056168 is about 66701.2456255504. The cubic root of 4449056168 is about 1644.7098607234.

The spelling of 4449056168 in words is "four billion, four hundred forty-nine million, fifty-six thousand, one hundred sixty-eight".