4518384448 has 28 divisors (see below), whose sum is σ = 8974254340. Its totient is φ = 2257155072.

The previous prime is 4518384419. The next prime is 4518384467. The reversal of 4518384448 is 8444838154.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1780164864 + 2738219584 = 42192^2 + 52328^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40990 + ... + 103522.

Almost surely, 2^4518384448 is an apocalyptic number.

It is an amenable number.

4518384448 is a deficient number, since it is larger than the sum of its proper divisors (4455869892).

4518384448 is a wasteful number, since it uses less digits than its factorization.

4518384448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63674 (or 63664 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 49.

The square root of 4518384448 is about 67218.9292387197. The cubic root of 4518384448 is about 1653.2088699808.

The spelling of 4518384448 in words is "four billion, five hundred eighteen million, three hundred eighty-four thousand, four hundred forty-eight".