450444 has 12 divisors (see below), whose sum is σ = 1051064. Its totient is φ = 150144.

The previous prime is 450431. The next prime is 450451. The reversal of 450444 is 444054.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 450444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18757 + ... + 18780.

2⁴⁵⁰⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

450444 is an abundant number, since it is smaller than the sum of its proper divisors (600620).

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

450444 is a wasteful number, since it uses less digits than its factorization.

450444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37544 (or 37542 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 450444 is about 671.1512497195. The cubic root of 450444 is about 76.6561380207.

Adding to 450444 its reverse (444054), we get a palindrome (894498).

The spelling of 450444 in words is "four hundred fifty thousand, four hundred forty-four".