440450 has 24 divisors (see below), whose sum is σ = 857088. Its totient is φ = 168080.

The previous prime is 440443. The next prime is 440471. The reversal of 440450 is 54044.

It is an unprimeable number.

440450 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 959 + ... + 1341.

It is an arithmetic number, because the mean of its divisors is an integer number (35712).

2⁴⁴⁰⁴⁵⁰ is an apocalyptic number.

440450 is a deficient number, since it is larger than the sum of its proper divisors (416638).

440450 is a wasteful number, since it uses less digits than its factorization.

440450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 440450 is about 663.6640716507. The cubic root of 440450 is about 76.0849696021.

Adding to 440450 its reverse (54044), we get a palindrome (494494).

The spelling of 440450 in words is "four hundred forty thousand, four hundred fifty".