3440420240443 has 8 divisors (see below), whose sum is σ = 3621512102720. Its totient is φ = 3259330089480.

The previous prime is 3440420240441. The next prime is 3440420240447.

3440420240443 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 3440420240443 - 2¹ = 3440420240441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3440420240399 and 3440420240408.

It is not an unprimeable number, because it can be changed into a prime (3440420240441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7052596 + ... + 7524622.

It is an arithmetic number, because the mean of its divisors is an integer number (452689012840).

Almost surely, 2^{3440420240443} is an apocalyptic number.

3440420240443 is a deficient number, since it is larger than the sum of its proper divisors (181091862277).

3440420240443 is a wasteful number, since it uses less digits than its factorization.

3440420240443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855657.

The product of its (nonzero) digits is 147456, while the sum is 34.

It can be divided in two parts, 3440420 and 240443, that added together give a palindrome (3680863).

The spelling of 3440420240443 in words is "three trillion, four hundred forty billion, four hundred twenty million, two hundred forty thousand, four hundred forty-three".