404400044043 has 32 divisors (see below), whose sum is σ = 609706278720. Its totient is φ = 264872816640.

The previous prime is 404400044033. The next prime is 404400044071. The reversal of 404400044043 is 340440004404.

It is not a de Polignac number, because 404400044043 - 2¹⁷ = 404399912971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 404400043998 and 404400044016.

It is not an unprimeable number, because it can be changed into a prime (404400044033) 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 31 ways as a sum of consecutive naturals, for example, 204738 + ... + 922343.

It is an arithmetic number, because the mean of its divisors is an integer number (19053321210).

Almost surely, 2^404400044043 is an apocalyptic number.

404400044043 is a deficient number, since it is larger than the sum of its proper divisors (205306234677).

404400044043 is a wasteful number, since it uses less digits than its factorization.

404400044043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127324 (or 1127318 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 404400044043 its reverse (340440004404), we get a palindrome (744840048447).

The spelling of 404400044043 in words is "four hundred four billion, four hundred million, forty-four thousand, forty-three".