440344140122 has 8 divisors (see below), whose sum is σ = 664723320276. Its totient is φ = 218769700032.

The previous prime is 440344140121. The next prime is 440344140151. The reversal of 440344140122 is 221041443044.

It can be written as a sum of positive squares in 2 ways, for example, as 430767756241 + 9576383881 = 656329^2 + 97859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (440344140121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701184623 + ... + 701185250.

Almost surely, 2^440344140122 is an apocalyptic number.

440344140122 is a deficient number, since it is larger than the sum of its proper divisors (224379180154).

440344140122 is a wasteful number, since it uses less digits than its factorization.

440344140122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402370032.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 440344140122 its reverse (221041443044), we get a palindrome (661385583166).

The spelling of 440344140122 in words is "four hundred forty billion, three hundred forty-four million, one hundred forty thousand, one hundred twenty-two".