440002420443 has 12 divisors (see below), whose sum is σ = 635565013200. Its totient is φ = 293332195536.

The previous prime is 440002420439. The next prime is 440002420463. The reversal of 440002420443 is 344024200044.

It is a happy number.

440002420443 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 440002420443 - 2² = 440002420439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440002420463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1372405 + ... + 1662377.

It is an arithmetic number, because the mean of its divisors is an integer number (52963751100).

Almost surely, 2^440002420443 is an apocalyptic number.

440002420443 is a deficient number, since it is larger than the sum of its proper divisors (195562592757).

440002420443 is a wasteful number, since it uses less digits than its factorization.

440002420443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458578 (or 458575 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 440002420443 its reverse (344024200044), we get a palindrome (784026620487).

The spelling of 440002420443 in words is "four hundred forty billion, two million, four hundred twenty thousand, four hundred forty-three".