404396656192 has 56 divisors (see below), whose sum is σ = 814204802880. Its totient is φ = 199245688320.

The previous prime is 404396656163. The next prime is 404396656229. The reversal of 404396656192 is 291656693404.

It is an unprimeable number.

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, 9006534 + ... + 9051322.

It is an arithmetic number, because the mean of its divisors is an integer number (14539371480).

Almost surely, 2^404396656192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404396656192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407102401440).

404396656192 is an abundant number, since it is smaller than the sum of its proper divisors (409808146688).

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

404396656192 is a wasteful number, since it uses less digits than its factorization.

404396656192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46859 (or 46849 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 55.

The spelling of 404396656192 in words is "four hundred four billion, three hundred ninety-six million, six hundred fifty-six thousand, one hundred ninety-two".