440120336105605 has 16 divisors (see below), whose sum is σ = 545182310444544. Its totient is φ = 340737705426240.

The previous prime is 440120336105603. The next prime is 440120336105641. The reversal of 440120336105605 is 506501633021044.

It is not a de Polignac number, because 440120336105605 - 2¹ = 440120336105603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440120336105603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94789482 + ... + 99324148.

It is an arithmetic number, because the mean of its divisors is an integer number (34073894402784).

Almost surely, 2^{440120336105605} is an apocalyptic number.

It is an amenable number.

440120336105605 is a deficient number, since it is larger than the sum of its proper divisors (105061974338939).

440120336105605 is a wasteful number, since it uses less digits than its factorization.

440120336105605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160876.

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 440120336105605 its reverse (506501633021044), we get a palindrome (946621969126649).

The spelling of 440120336105605 in words is "four hundred forty trillion, one hundred twenty billion, three hundred thirty-six million, one hundred five thousand, six hundred five".