4441552618 has 16 divisors (see below), whose sum is σ = 6806669256. Its totient is φ = 2173040640.

The previous prime is 4441552579. The next prime is 4441552637. The reversal of 4441552618 is 8162551444.

It can be written as a sum of positive squares in 4 ways, for example, as 1792082889 + 2649469729 = 42333^2 + 51473^2 .

It is an unprimeable number.

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, 70771 + ... + 117862.

Almost surely, 2^4441552618 is an apocalyptic number.

4441552618 is a deficient number, since it is larger than the sum of its proper divisors (2365116638).

4441552618 is a wasteful number, since it uses less digits than its factorization.

4441552618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188889.

The product of its digits is 153600, while the sum is 40.

The square root of 4441552618 is about 66644.9744391878. The cubic root of 4441552618 is about 1643.7847126540.

The spelling of 4441552618 in words is "four billion, four hundred forty-one million, five hundred fifty-two thousand, six hundred eighteen".