444438864384 has 40 divisors (see below), whose sum is σ = 1184012916240. Its totient is φ = 148146287616.

The previous prime is 444438864383. The next prime is 444438864409. The reversal of 444438864384 is 483468834444.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (444438864383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144672574 + ... + 144675645.

It is an arithmetic number, because the mean of its divisors is an integer number (29600322906).

Almost surely, 2^444438864384 is an apocalyptic number.

It is an amenable number.

444438864384 is an abundant number, since it is smaller than the sum of its proper divisors (739574051856).

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

444438864384 is an equidigital number, since it uses as much as digits as its factorization.

444438864384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289348240 (or 289348224 counting only the distinct ones).

The product of its digits is 113246208, while the sum is 60.

The spelling of 444438864384 in words is "four hundred forty-four billion, four hundred thirty-eight million, eight hundred sixty-four thousand, three hundred eighty-four".