944447018 has 8 divisors (see below), whose sum is σ = 1439894820. Its totient is φ = 464482080.

The previous prime is 944447011. The next prime is 944447027. The reversal of 944447018 is 810744449.

It can be written as a sum of positive squares in 2 ways, for example, as 664453729 + 279993289 = 25777^2 + 16733^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (944447011) 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, 3870563 + ... + 3870806.

Almost surely, 2^944447018 is an apocalyptic number.

944447018 is a deficient number, since it is larger than the sum of its proper divisors (495447802).

944447018 is a wasteful number, since it uses less digits than its factorization.

944447018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7741432.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 944447018 is about 30731.8567288083. The cubic root of 944447018 is about 981.1284439847.

The spelling of 944447018 in words is "nine hundred forty-four million, four hundred forty-seven thousand, eighteen".