440343432122555 has 48 divisors (see below), whose sum is σ = 572713743659904. Its totient is φ = 324876768952320.

The previous prime is 440343432122533. The next prime is 440343432122593. The reversal of 440343432122555 is 555221234343044.

It is not a de Polignac number, because 440343432122555 - 2³⁸ = 440068554215611 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15936558590 + ... + 15936586220.

It is an arithmetic number, because the mean of its divisors is an integer number (11931536326248).

Almost surely, 2^{440343432122555} is an apocalyptic number.

440343432122555 is a deficient number, since it is larger than the sum of its proper divisors (132370311537349).

440343432122555 is a wasteful number, since it uses less digits than its factorization.

440343432122555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44376 (or 44363 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 47.

Adding to 440343432122555 its reverse (555221234343044), we get a palindrome (995564666465599).

The spelling of 440343432122555 in words is "four hundred forty trillion, three hundred forty-three billion, four hundred thirty-two million, one hundred twenty-two thousand, five hundred fifty-five".