444745984 has 36 divisors (see below), whose sum is σ = 899032960. Its totient is φ = 219548160.

The previous prime is 444745981. The next prime is 444745997. The reversal of 444745984 is 489547444.

It is not an unprimeable number, because it can be changed into a prime (444745981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9229 + ... + 31219.

Almost surely, 2^444745984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444745984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449516480).

444745984 is an abundant number, since it is smaller than the sum of its proper divisors (454286976).

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

444745984 is an equidigital number, since it uses as much as digits as its factorization.

444745984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22086 (or 22072 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 49.

The square root of 444745984 is about 21089.0014936696. The cubic root of 444745984 is about 763.3153776639.

The spelling of 444745984 in words is "four hundred forty-four million, seven hundred forty-five thousand, nine hundred eighty-four".