444747444 has 24 divisors (see below), whose sum is σ = 1039677408. Its totient is φ = 147972960.

The previous prime is 444747439. The next prime is 444747469.

444747444 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 444747396 and 444747405.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 27762 + ... + 40745.

It is an arithmetic number, because the mean of its divisors is an integer number (43319892).

Almost surely, 2^444747444 is an apocalyptic number.

It is an amenable number.

444747444 is an abundant number, since it is smaller than the sum of its proper divisors (594929964).

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

444747444 is a wasteful number, since it uses less digits than its factorization.

444747444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69055 (or 69053 counting only the distinct ones).

The product of its digits is 802816, while the sum is 42.

The square root of 444747444 is about 21089.0361088410. The cubic root of 444747444 is about 763.3162129266.

The spelling of 444747444 in words is "four hundred forty-four million, seven hundred forty-seven thousand, four hundred forty-four".