440481 has 16 divisors (see below), whose sum is σ = 624960. Its totient is φ = 275520.

The previous prime is 440471. The next prime is 440497. The reversal of 440481 is 184044.

It is not a de Polignac number, because 440481 - 2⁹ = 439969 is a prime.

It is a super-2 number, since 2×440481² = 388047022722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5266 + ... + 5348.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2⁴⁴⁰⁴⁸¹ is an apocalyptic number.

It is an amenable number.

440481 is a deficient number, since it is larger than the sum of its proper divisors (184479).

440481 is a wasteful number, since it uses less digits than its factorization.

440481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 440481 is about 663.6874264290. The cubic root of 440481 is about 76.0867545786.

The spelling of 440481 in words is "four hundred forty thousand, four hundred eighty-one".