440440223020 has 36 divisors (see below), whose sum is σ = 1075932547200. Its totient is φ = 151008076128.

The previous prime is 440440223009. The next prime is 440440223099. The reversal of 440440223020 is 20322044044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224713420 + ... + 224715379.

It is an arithmetic number, because the mean of its divisors is an integer number (29887015200).

Almost surely, 2^440440223020 is an apocalyptic number.

It is an amenable number.

440440223020 is an abundant number, since it is smaller than the sum of its proper divisors (635492324180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440440223020 is a wasteful number, since it uses less digits than its factorization.

440440223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449428822 (or 449428813 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 440440223020 its reverse (20322044044), we get a palindrome (460762267064).

The spelling of 440440223020 in words is "four hundred forty billion, four hundred forty million, two hundred twenty-three thousand, twenty".