440242342343 has 16 divisors (see below), whose sum is σ = 471401568000. Its totient is φ = 409910352192.

The previous prime is 440242342339. The next prime is 440242342411. The reversal of 440242342343 is 343243242044.

It is a cyclic number.

It is not a de Polignac number, because 440242342343 - 2² = 440242342339 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 (440242342303) 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, 164963 + ... + 952731.

It is an arithmetic number, because the mean of its divisors is an integer number (29462598000).

Almost surely, 2^440242342343 is an apocalyptic number.

440242342343 is a deficient number, since it is larger than the sum of its proper divisors (31159225657).

440242342343 is a wasteful number, since it uses less digits than its factorization.

440242342343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788294.

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 440242342343 its reverse (343243242044), we get a palindrome (783485584387).

The spelling of 440242342343 in words is "four hundred forty billion, two hundred forty-two million, three hundred forty-two thousand, three hundred forty-three".