440422040242 has 16 divisors (see below), whose sum is σ = 666596935872. Its totient is φ = 218231030160.

The previous prime is 440422040213. The next prime is 440422040243. The reversal of 440422040242 is 242040224044.

It is a self number, because there is not a number n which added to its sum of digits gives 440422040242.

It is not an unprimeable number, because it can be changed into a prime (440422040243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1881333 + ... + 2102440.

It is an arithmetic number, because the mean of its divisors is an integer number (41662308492).

Almost surely, 2^440422040242 is an apocalyptic number.

440422040242 is a deficient number, since it is larger than the sum of its proper divisors (226174895630).

440422040242 is a wasteful number, since it uses less digits than its factorization.

440422040242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984273.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 440422040242 its reverse (242040224044), we get a palindrome (682462264286).

The spelling of 440422040242 in words is "four hundred forty billion, four hundred twenty-two million, forty thousand, two hundred forty-two".