4442806518 has 32 divisors (see below), whose sum is σ = 9376698240. Its totient is φ = 1399478400.

The previous prime is 4442806481. The next prime is 4442806531. The reversal of 4442806518 is 8156082444.

It is a self number, because there is not a number n which added to its sum of digits gives 4442806518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2880 + ... + 94307.

It is an arithmetic number, because the mean of its divisors is an integer number (293021820).

Almost surely, 2^4442806518 is an apocalyptic number.

4442806518 is an abundant number, since it is smaller than the sum of its proper divisors (4933891722).

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

4442806518 is a wasteful number, since it uses less digits than its factorization.

4442806518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97612.

The product of its (nonzero) digits is 245760, while the sum is 42.

The square root of 4442806518 is about 66654.3810863172. The cubic root of 4442806518 is about 1643.9393843718.

The spelling of 4442806518 in words is "four billion, four hundred forty-two million, eight hundred six thousand, five hundred eighteen".