440244042100 has 36 divisors (see below), whose sum is σ = 964257908544. Its totient is φ = 174451840480.

The previous prime is 440244042071. The next prime is 440244042143. The reversal of 440244042100 is 1240442044.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20561452 + ... + 20582851.

It is an arithmetic number, because the mean of its divisors is an integer number (26784941904).

Almost surely, 2^440244042100 is an apocalyptic number.

It is an amenable number.

440244042100 is an abundant number, since it is smaller than the sum of its proper divisors (524013866444).

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

440244042100 is a wasteful number, since it uses less digits than its factorization.

440244042100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41144424 (or 41144417 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 440244042100 its reverse (1240442044), we get a palindrome (441484484144).

The spelling of 440244042100 in words is "four hundred forty billion, two hundred forty-four million, forty-two thousand, one hundred".