444280 has 32 divisors (see below), whose sum is σ = 1036800. Its totient is φ = 171136.

The previous prime is 444271. The next prime is 444281. The reversal of 444280 is 82444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444281) 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 7 ways as a sum of consecutive naturals, for example, 969 + ... + 1351.

It is an arithmetic number, because the mean of its divisors is an integer number (32400).

2⁴⁴⁴²⁸⁰ is an apocalyptic number.

444280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518400).

444280 is an abundant number, since it is smaller than the sum of its proper divisors (592520).

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

444280 is a wasteful number, since it uses less digits than its factorization.

444280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 444280 is about 666.5433219229. The cubic root of 444280 is about 76.3048695809.

The spelling of 444280 in words is "four hundred forty-four thousand, two hundred eighty".