444648914 has 8 divisors (see below), whose sum is σ = 667144188. Its totient is φ = 222267520.

The previous prime is 444648901. The next prime is 444648961. The reversal of 444648914 is 419846444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 444492889 + 156025 = 21083^2 + 395^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17927 + ... + 34794.

Almost surely, 2^444648914 is an apocalyptic number.

444648914 is a deficient number, since it is larger than the sum of its proper divisors (222495274).

444648914 is a wasteful number, since it uses less digits than its factorization.

444648914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56940.

The product of its digits is 442368, while the sum is 44.

The square root of 444648914 is about 21086.6999314734. The cubic root of 444648914 is about 763.2598400329.

The spelling of 444648914 in words is "four hundred forty-four million, six hundred forty-eight thousand, nine hundred fourteen".