4452645578 has 16 divisors (see below), whose sum is σ = 7067523456. Its totient is φ = 2099531280.

The previous prime is 4452645577. The next prime is 4452645623. The reversal of 4452645578 is 8755462544.

It is not an unprimeable number, because it can be changed into a prime (4452645577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678401 + ... + 684932.

It is an arithmetic number, because the mean of its divisors is an integer number (441720216).

Almost surely, 2^4452645578 is an apocalyptic number.

4452645578 is a deficient number, since it is larger than the sum of its proper divisors (2614877878).

4452645578 is a wasteful number, since it uses less digits than its factorization.

4452645578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363429.

The product of its digits is 5376000, while the sum is 50.

The square root of 4452645578 is about 66728.1468197641. The cubic root of 4452645578 is about 1645.1520482264.

The spelling of 4452645578 in words is "four billion, four hundred fifty-two million, six hundred forty-five thousand, five hundred seventy-eight".