444814856 has 16 divisors (see below), whose sum is σ = 834700140. Its totient is φ = 222228160.

The previous prime is 444814841. The next prime is 444814859. The reversal of 444814856 is 658418444.

It can be written as a sum of positive squares in 2 ways, for example, as 435389956 + 9424900 = 20866^2 + 3070^2 .

It is a super-2 number, since 2×444814856² = 395720512236601472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444814859) 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 3 ways as a sum of consecutive naturals, for example, 11555 + ... + 31986.

Almost surely, 2^444814856 is an apocalyptic number.

It is an amenable number.

444814856 is a deficient number, since it is larger than the sum of its proper divisors (389885284).

444814856 is a wasteful number, since it uses less digits than its factorization.

444814856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44824 (or 44820 counting only the distinct ones).

The product of its digits is 491520, while the sum is 44.

The square root of 444814856 is about 21090.6343195268. The cubic root of 444814856 is about 763.3547771902.

The spelling of 444814856 in words is "four hundred forty-four million, eight hundred fourteen thousand, eight hundred fifty-six".