404423999976 has 16 divisors (see below), whose sum is σ = 1011060000000. Its totient is φ = 134807999984.

The previous prime is 404423999971. The next prime is 404423999989. The reversal of 404423999976 is 679999324404.

It is not an unprimeable number, because it can be changed into a prime (404423999971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8425499976 + ... + 8425500023.

It is an arithmetic number, because the mean of its divisors is an integer number (63191250000).

Almost surely, 2^404423999976 is an apocalyptic number.

It is an amenable number.

404423999976 is an abundant number, since it is smaller than the sum of its proper divisors (606636000024).

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

404423999976 is a wasteful number, since it uses less digits than its factorization.

404423999976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16851000008 (or 16851000004 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 66.

The spelling of 404423999976 in words is "four hundred four billion, four hundred twenty-three million, nine hundred ninety-nine thousand, nine hundred seventy-six".