4044400404444 has 48 divisors (see below), whose sum is σ = 10494272036640. Its totient is φ = 1347003388800.

The previous prime is 4044400404403. The next prime is 4044400404463. The reversal of 4044400404444 is 4444040044404.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4044400404399 and 4044400404408.

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 15 ways as a sum of consecutive naturals, for example, 15566107 + ... + 15823794.

It is an arithmetic number, because the mean of its divisors is an integer number (218630667430).

Almost surely, 2^{4044400404444} is an apocalyptic number.

It is an amenable number.

4044400404444 is an abundant number, since it is smaller than the sum of its proper divisors (6449871632196).

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

4044400404444 is a wasteful number, since it uses less digits than its factorization.

4044400404444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31391107 (or 31391099 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 4044400404444 its reverse (4444040044404), we get a palindrome (8488440448848).

The spelling of 4044400404444 in words is "four trillion, forty-four billion, four hundred million, four hundred four thousand, four hundred forty-four".