444347656 has 16 divisors (see below), whose sum is σ = 840797100. Its totient is φ = 220135104.

The previous prime is 444347653. The next prime is 444347663. The reversal of 444347656 is 656743444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 433888900 + 10458756 = 20830^2 + 3234^2 .

It is not an unprimeable number, because it can be changed into a prime (444347653) 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 3 ways as a sum of consecutive naturals, for example, 253915 + ... + 255658.

Almost surely, 2^444347656 is an apocalyptic number.

It is an amenable number.

444347656 is a deficient number, since it is larger than the sum of its proper divisors (396449444).

444347656 is a wasteful number, since it uses less digits than its factorization.

444347656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509688 (or 509684 counting only the distinct ones).

The product of its digits is 967680, while the sum is 43.

The square root of 444347656 is about 21079.5554032812. Note that the first 3 decimals coincide. The cubic root of 444347656 is about 763.0874267916.

It can be divided in two parts, 444 and 347656, that added together give a square (348100 = 590²).

The spelling of 444347656 in words is "four hundred forty-four million, three hundred forty-seven thousand, six hundred fifty-six".