444006602 has 12 divisors (see below), whose sum is σ = 721182870. Its totient is φ = 204925968.

The previous prime is 444006601. The next prime is 444006613. The reversal of 444006602 is 206600444.

It can be written as a sum of positive squares in 3 ways, for example, as 273207841 + 170798761 = 16529^2 + 13069^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (444006601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 656477 + ... + 657152.

Almost surely, 2^444006602 is an apocalyptic number.

444006602 is a deficient number, since it is larger than the sum of its proper divisors (277176268).

444006602 is a wasteful number, since it uses less digits than its factorization.

444006602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313657 (or 1313644 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 444006602 is about 21071.4641636503. The cubic root of 444006602 is about 762.8921437895.

The spelling of 444006602 in words is "four hundred forty-four million, six thousand, six hundred two".