4000044404440 has 64 divisors (see below), whose sum is σ = 10286001250560. Its totient is φ = 1371420758400.

The previous prime is 4000044404437. The next prime is 4000044404471. The reversal of 4000044404440 is 444044400004.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 4000044404399 and 4000044404408.

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, 30581019 + ... + 30711541.

It is an arithmetic number, because the mean of its divisors is an integer number (160718769540).

Almost surely, 2^{4000044404440} is an apocalyptic number.

4000044404440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4000044404440 is an abundant number, since it is smaller than the sum of its proper divisors (6285956846120).

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

4000044404440 is a wasteful number, since it uses less digits than its factorization.

4000044404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239992 (or 239988 counting only the distinct ones).

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

Adding to 4000044404440 its reverse (444044400004), we get a palindrome (4444088804444).

The spelling of 4000044404440 in words is "four trillion, forty-four million, four hundred four thousand, four hundred forty".