4044400403999 has 4 divisors (see below), whose sum is σ = 4153708523064. Its totient is φ = 3935092284936.

The previous prime is 4044400403993. The next prime is 4044400404001. The reversal of 4044400403999 is 9993040044404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4044400403999 - 2³⁶ = 3975680927263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044400403993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54654059477 + ... + 54654059550.

It is an arithmetic number, because the mean of its divisors is an integer number (1038427130766).

Almost surely, 2^{4044400403999} is an apocalyptic number.

4044400403999 is a deficient number, since it is larger than the sum of its proper divisors (109308119065).

4044400403999 is a wasteful number, since it uses less digits than its factorization.

4044400403999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109308119064.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 4044400403999 in words is "four trillion, forty-four billion, four hundred million, four hundred three thousand, nine hundred ninety-nine".