444704868 has 36 divisors (see below), whose sum is σ = 1125409740. Its totient is φ = 148064256.

The previous prime is 444704867. The next prime is 444704881. The reversal of 444704868 is 868407444.

It can be written as a sum of positive squares in 2 ways, for example, as 4460544 + 440244324 = 2112^2 + 20982^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (444704867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26796 + ... + 40092.

Almost surely, 2^444704868 is an apocalyptic number.

It is an amenable number.

444704868 is an abundant number, since it is smaller than the sum of its proper divisors (680704872).

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

444704868 is a wasteful number, since it uses less digits than its factorization.

444704868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14236 (or 14231 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The square root of 444704868 is about 21088.0266502108. The cubic root of 444704868 is about 763.2918545418.

The spelling of 444704868 in words is "four hundred forty-four million, seven hundred four thousand, eight hundred sixty-eight".