440732242 has 16 divisors (see below), whose sum is σ = 711853920. Its totient is φ = 203887168.

The previous prime is 440732203. The next prime is 440732249. The reversal of 440732242 is 242237044.

It is a self number, because there is not a number n which added to its sum of digits gives 440732242.

It is not an unprimeable number, because it can be changed into a prime (440732249) 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, 107848 + ... + 111859.

It is an arithmetic number, because the mean of its divisors is an integer number (44490870).

Almost surely, 2^440732242 is an apocalyptic number.

440732242 is a deficient number, since it is larger than the sum of its proper divisors (271121678).

440732242 is a wasteful number, since it uses less digits than its factorization.

440732242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219785.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 440732242 is about 20993.6238415382. The cubic root of 440732242 is about 761.0121797582.

Adding to 440732242 its reverse (242237044), we get a palindrome (682969286).

The spelling of 440732242 in words is "four hundred forty million, seven hundred thirty-two thousand, two hundred forty-two".