440400040404 has 24 divisors (see below), whose sum is σ = 1027935887328. Its totient is φ = 146752043040.

The previous prime is 440400040403. The next prime is 440400040411. The reversal of 440400040404 is 404040004044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440400040403) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5958042 + ... + 6031505.

It is an arithmetic number, because the mean of its divisors is an integer number (42830661972).

Almost surely, 2^440400040404 is an apocalyptic number.

It is an amenable number.

440400040404 is an abundant number, since it is smaller than the sum of its proper divisors (587535846924).

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

440400040404 is a wasteful number, since it uses less digits than its factorization.

440400040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11992615 (or 11992613 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 440400040404 its reverse (404040004044), we get a palindrome (844440044448).

It can be divided in two parts, 44040004040 and 4, that added together give a palindrome (44040004044).

The spelling of 440400040404 in words is "four hundred forty billion, four hundred million, forty thousand, four hundred four".