4442445418 has 8 divisors (see below), whose sum is σ = 6665002560. Its totient is φ = 2220777900.

The previous prime is 4442445409. The next prime is 4442445419. The reversal of 4442445418 is 8145442444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4442445419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209778 + ... + 229981.

It is an arithmetic number, because the mean of its divisors is an integer number (833125320).

Almost surely, 2^4442445418 is an apocalyptic number.

4442445418 is a deficient number, since it is larger than the sum of its proper divisors (2222557142).

4442445418 is a wasteful number, since it uses less digits than its factorization.

4442445418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444812.

The product of its digits is 327680, while the sum is 40.

The square root of 4442445418 is about 66651.6722820966. The cubic root of 4442445418 is about 1643.8948447629.

The spelling of 4442445418 in words is "four billion, four hundred forty-two million, four hundred forty-five thousand, four hundred eighteen".