440345244 has 24 divisors (see below), whose sum is σ = 1027812240. Its totient is φ = 146733184.

The previous prime is 440345233. The next prime is 440345249. The reversal of 440345244 is 442543044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440345249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64792 + ... + 71264.

It is an arithmetic number, because the mean of its divisors is an integer number (42825510).

Almost surely, 2^440345244 is an apocalyptic number.

It is an amenable number.

440345244 is an abundant number, since it is smaller than the sum of its proper divisors (587466996).

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

440345244 is a wasteful number, since it uses less digits than its factorization.

440345244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12149 (or 12147 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 440345244 is about 20984.4047806937. The cubic root of 440345244 is about 760.7893714356.

Adding to 440345244 its reverse (442543044), we get a palindrome (882888288).

The spelling of 440345244 in words is "four hundred forty million, three hundred forty-five thousand, two hundred forty-four".