404440140999 has 8 divisors (see below), whose sum is σ = 539272433920. Its totient is φ = 269617304376.

The previous prime is 404440140911. The next prime is 404440141073. The reversal of 404440140999 is 999041044404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 404440140999 - 2²⁰ = 404439092423 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 (404440140799) 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 7 ways as a sum of consecutive naturals, for example, 2263669 + ... + 2435790.

It is an arithmetic number, because the mean of its divisors is an integer number (67409054240).

Almost surely, 2^404440140999 is an apocalyptic number.

404440140999 is a deficient number, since it is larger than the sum of its proper divisors (134832292921).

404440140999 is a wasteful number, since it uses less digits than its factorization.

404440140999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728149.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 404440140999 in words is "four hundred four billion, four hundred forty million, one hundred forty thousand, nine hundred ninety-nine".