440940 has 24 divisors (see below), whose sum is σ = 1234800. Its totient is φ = 117568.

The previous prime is 440939. The next prime is 440941. The reversal of 440940 is 49044.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (440939) and next prime (440941).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (440941) 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 7 ways as a sum of consecutive naturals, for example, 3615 + ... + 3734.

It is an arithmetic number, because the mean of its divisors is an integer number (51450).

2⁴⁴⁰⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

440940 is an abundant number, since it is smaller than the sum of its proper divisors (793860).

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

440940 is a wasteful number, since it uses less digits than its factorization.

440940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7361 (or 7359 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 440940 is about 664.0331317035. The cubic root of 440940 is about 76.1131739525.

Adding to 440940 its reverse (49044), we get a palindrome (489984).

The spelling of 440940 in words is "four hundred forty thousand, nine hundred forty".