440400044404 has 12 divisors (see below), whose sum is σ = 775872562500. Its totient is φ = 218722169408.

The previous prime is 440400044351. The next prime is 440400044419. The reversal of 440400044404 is 404440004044.

It can be written as a sum of positive squares in 2 ways, for example, as 132130796004 + 308269248400 = 363498^2 + 555220^2 .

It is a super-2 number, since 2×440400044404² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 369462529 + ... + 369463720.

It is an arithmetic number, because the mean of its divisors is an integer number (64656046875).

Almost surely, 2^440400044404 is an apocalyptic number.

It is an amenable number.

440400044404 is a deficient number, since it is larger than the sum of its proper divisors (335472518096).

440400044404 is a wasteful number, since it uses less digits than its factorization.

440400044404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738926402 (or 738926400 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 440400044404 its reverse (404440004044), we get a palindrome (844840048448).

The spelling of 440400044404 in words is "four hundred forty billion, four hundred million, forty-four thousand, four hundred four".