444664602 has 12 divisors (see below), whose sum is σ = 963440010. Its totient is φ = 148221528.

The previous prime is 444664601. The next prime is 444664607. The reversal of 444664602 is 206466444.

It is a happy number.

444664602 is a `hidden beast` number, since 4 + 4 + 4 + 6 + 646 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 368294481 + 76370121 = 19191^2 + 8739^2 .

It is not an unprimeable number, because it can be changed into a prime (444664601) 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 5 ways as a sum of consecutive naturals, for example, 12351777 + ... + 12351812.

Almost surely, 2^444664602 is an apocalyptic number.

444664602 is an abundant number, since it is smaller than the sum of its proper divisors (518775408).

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

444664602 is a wasteful number, since it uses less digits than its factorization.

444664602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24703597 (or 24703594 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The square root of 444664602 is about 21087.0719162239. The cubic root of 444664602 is about 763.2688163130.

The spelling of 444664602 in words is "four hundred forty-four million, six hundred sixty-four thousand, six hundred two".