444433218 has 16 divisors (see below), whose sum is σ = 935649120. Its totient is φ = 140347296.

The previous prime is 444433201. The next prime is 444433219. The reversal of 444433218 is 812334444.

It is not an unprimeable number, because it can be changed into a prime (444433219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1949155 + ... + 1949382.

It is an arithmetic number, because the mean of its divisors is an integer number (58478070).

Almost surely, 2^444433218 is an apocalyptic number.

444433218 is an abundant number, since it is smaller than the sum of its proper divisors (491215902).

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

444433218 is a wasteful number, since it uses less digits than its factorization.

444433218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898561.

The product of its digits is 36864, while the sum is 33.

The square root of 444433218 is about 21081.5848075993. The cubic root of 444433218 is about 763.1364027794.

The spelling of 444433218 in words is "four hundred forty-four million, four hundred thirty-three thousand, two hundred eighteen".