440554 has 8 divisors (see below), whose sum is σ = 665028. Its totient is φ = 218880.

The previous prime is 440551. The next prime is 440567. The reversal of 440554 is 455044.

It can be written as a sum of positive squares in 2 ways, for example, as 366025 + 74529 = 605^2 + 273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 13.

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 3 ways as a sum of consecutive naturals, for example, 247 + ... + 970.

2⁴⁴⁰⁵⁵⁴ is an apocalyptic number.

440554 is a deficient number, since it is larger than the sum of its proper divisors (224474).

440554 is a wasteful number, since it uses less digits than its factorization.

440554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 440554 is about 663.7424199191. The cubic root of 440554 is about 76.0909575796.

Adding to 440554 its reverse (455044), we get a palindrome (895598).

The spelling of 440554 in words is "four hundred forty thousand, five hundred fifty-four".