404221421984 has 48 divisors (see below), whose sum is σ = 808325683200. Its totient is φ = 198937119744.

The previous prime is 404221421921. The next prime is 404221422043. The reversal of 404221421984 is 489124122404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668472 + ... + 2815880.

It is an arithmetic number, because the mean of its divisors is an integer number (16840118400).

Almost surely, 2^404221421984 is an apocalyptic number.

It is an amenable number.

404221421984 is a deficient number, since it is larger than the sum of its proper divisors (404104261216).

404221421984 is a wasteful number, since it uses less digits than its factorization.

404221421984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148765 (or 148757 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 404221421984 in words is "four hundred four billion, two hundred twenty-one million, four hundred twenty-one thousand, nine hundred eighty-four".