440221340404 has 12 divisors (see below), whose sum is σ = 771323423584. Its totient is φ = 219843219384.

The previous prime is 440221340387. The next prime is 440221340423. The reversal of 440221340404 is 404043122044.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66859002 + ... + 66865585.

Almost surely, 2^440221340404 is an apocalyptic number.

It is an amenable number.

440221340404 is a deficient number, since it is larger than the sum of its proper divisors (331102083180).

440221340404 is a wasteful number, since it uses less digits than its factorization.

440221340404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133725414 (or 133725412 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 440221340404 its reverse (404043122044), we get a palindrome (844264462448).

It can be divided in two parts, 440221 and 340404, that added together give a triangular number (780625 = T₁₂₄₉).

The spelling of 440221340404 in words is "four hundred forty billion, two hundred twenty-one million, three hundred forty thousand, four hundred four".