440550 has 72 divisors (see below), whose sum is σ = 1305720. Its totient is φ = 105600.

The previous prime is 440549. The next prime is 440551. The reversal of 440550 is 55044.

It is a happy number.

440550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (440549) and next prime (440551).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440551) 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 35 ways as a sum of consecutive naturals, for example, 4906 + ... + 4994.

It is an arithmetic number, because the mean of its divisors is an integer number (18135).

2⁴⁴⁰⁵⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652860).

440550 is an abundant number, since it is smaller than the sum of its proper divisors (865170).

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

440550 is a wasteful number, since it uses less digits than its factorization.

440550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 440550 is about 663.7394066951. The cubic root of 440550 is about 76.0907272902.

Adding to 440550 its reverse (55044), we get a palindrome (495594).

It can be divided in two parts, 440 and 550, that added together give a triangular number (990 = T₄₄).

The spelling of 440550 in words is "four hundred forty thousand, five hundred fifty".