404219423356 has 24 divisors (see below), whose sum is σ = 808645986176. Its totient is φ = 173192508720.

The previous prime is 404219423281. The next prime is 404219423359. The reversal of 404219423356 is 653324912404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404219423359) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1738110 + ... + 1956901.

Almost surely, 2^404219423356 is an apocalyptic number.

It is an amenable number.

404219423356 is an abundant number, since it is smaller than the sum of its proper divisors (404426562820).

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

404219423356 is a wasteful number, since it uses less digits than its factorization.

404219423356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698929 (or 3698927 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 404219423356 in words is "four hundred four billion, two hundred nineteen million, four hundred twenty-three thousand, three hundred fifty-six".