4511445568 has 28 divisors (see below), whose sum is σ = 10231315072. Its totient is φ = 1933476480.

The previous prime is 4511445509. The next prime is 4511445569. The reversal of 4511445568 is 8655441154.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×4511445568² = 40706282226053685248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4511445569) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5034648 + ... + 5035543.

Almost surely, 2^4511445568 is an apocalyptic number.

It is an amenable number.

4511445568 is an abundant number, since it is smaller than the sum of its proper divisors (5719869504).

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

4511445568 is a wasteful number, since it uses less digits than its factorization.

4511445568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10070210 (or 10070200 counting only the distinct ones).

The product of its digits is 384000, while the sum is 43.

The square root of 4511445568 is about 67167.2953750559. The cubic root of 4511445568 is about 1652.3621591466.

The spelling of 4511445568 in words is "four billion, five hundred eleven million, four hundred forty-five thousand, five hundred sixty-eight".