440224132 has 12 divisors (see below), whose sum is σ = 770959756. Its totient is φ = 219949920.

The previous prime is 440224097. The next prime is 440224133. The reversal of 440224132 is 231422044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 352913796 + 87310336 = 18786^2 + 9344^2 .

It is not an unprimeable number, because it can be changed into a prime (440224133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34323 + ... + 45370.

Almost surely, 2^440224132 is an apocalyptic number.

It is an amenable number.

440224132 is a deficient number, since it is larger than the sum of its proper divisors (330735624).

440224132 is a wasteful number, since it uses less digits than its factorization.

440224132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81078 (or 81076 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 440224132 is about 20981.5188201426. The cubic root of 440224132 is about 760.7196161906.

Adding to 440224132 its reverse (231422044), we get a palindrome (671646176).

The spelling of 440224132 in words is "four hundred forty million, two hundred twenty-four thousand, one hundred thirty-two".