4493278518 has 16 divisors (see below), whose sum is σ = 9021527280. Its totient is φ = 1491931136.

The previous prime is 4493278501. The next prime is 4493278529. The reversal of 4493278518 is 8158723944.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455423 + ... + 1458506.

It is an arithmetic number, because the mean of its divisors is an integer number (563845455).

Almost surely, 2^4493278518 is an apocalyptic number.

4493278518 is an abundant number, since it is smaller than the sum of its proper divisors (4528248762).

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

4493278518 is a wasteful number, since it uses less digits than its factorization.

4493278518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914191.

The product of its digits is 1935360, while the sum is 51.

The square root of 4493278518 is about 67031.9216343974. The cubic root of 4493278518 is about 1650.1412206034.

The spelling of 4493278518 in words is "four billion, four hundred ninety-three million, two hundred seventy-eight thousand, five hundred eighteen".