440431235404 has 12 divisors (see below), whose sum is σ = 804265734384. Its totient is φ = 210641025584.

The previous prime is 440431235371. The next prime is 440431235423. The reversal of 440431235404 is 404532134044.

It is a self number, because there is not a number n which added to its sum of digits gives 440431235404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2393647927 + ... + 2393648110.

It is an arithmetic number, because the mean of its divisors is an integer number (67022144532).

Almost surely, 2^440431235404 is an apocalyptic number.

It is an amenable number.

440431235404 is a deficient number, since it is larger than the sum of its proper divisors (363834498980).

440431235404 is a wasteful number, since it uses less digits than its factorization.

440431235404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787296064 (or 4787296062 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 440431235404 its reverse (404532134044), we get a palindrome (844963369448).

The spelling of 440431235404 in words is "four hundred forty billion, four hundred thirty-one million, two hundred thirty-five thousand, four hundred four".