440344220234 has 8 divisors (see below), whose sum is σ = 660575481060. Its totient is φ = 220152393216.

The previous prime is 440344220231. The next prime is 440344220237. The reversal of 440344220234 is 432022443044.

It is an interprime number because it is at equal distance from previous prime (440344220231) and next prime (440344220237).

It can be written as a sum of positive squares in 2 ways, for example, as 421334704609 + 19009515625 = 649103^2 + 137875^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 440344220234.

It is not an unprimeable number, because it can be changed into a prime (440344220231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9830519 + ... + 9875210.

Almost surely, 2^440344220234 is an apocalyptic number.

440344220234 is a deficient number, since it is larger than the sum of its proper divisors (220231260826).

440344220234 is a wasteful number, since it uses less digits than its factorization.

440344220234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19716904.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 440344220234 its reverse (432022443044), we get a palindrome (872366663278).

The spelling of 440344220234 in words is "four hundred forty billion, three hundred forty-four million, two hundred twenty thousand, two hundred thirty-four".