404144321023000 has 64 divisors (see below), whose sum is σ = 945707631336000. Its totient is φ = 161656032659200.

The previous prime is 404144321022943. The next prime is 404144321023019. The reversal of 404144321023000 is 320123441404.

It is a self number, because there is not a number n which added to its sum of digits gives 404144321023000.

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, 95506101 + ... + 99647899.

It is an arithmetic number, because the mean of its divisors is an integer number (14776681739625).

Almost surely, 2^{404144321023000} is an apocalyptic number.

404144321023000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404144321023000 is an abundant number, since it is smaller than the sum of its proper divisors (541563310313000).

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

404144321023000 is a wasteful number, since it uses less digits than its factorization.

404144321023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239397 (or 4239383 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 404144321023000 its reverse (320123441404), we get a palindrome (404464444464404).

The spelling of 404144321023000 in words is "four hundred four trillion, one hundred forty-four billion, three hundred twenty-one million, twenty-three thousand".