404844384678 has 32 divisors (see below), whose sum is σ = 816050921184. Its totient is φ = 133890312192.

The previous prime is 404844384631. The next prime is 404844384719. The reversal of 404844384678 is 876483448404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320326 + ... + 955142.

It is an arithmetic number, because the mean of its divisors is an integer number (25501591287).

Almost surely, 2^404844384678 is an apocalyptic number.

404844384678 is an abundant number, since it is smaller than the sum of its proper divisors (411206536506).

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

404844384678 is a wasteful number, since it uses less digits than its factorization.

404844384678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635656.

The product of its (nonzero) digits is 66060288, while the sum is 60.

The spelling of 404844384678 in words is "four hundred four billion, eight hundred forty-four million, three hundred eighty-four thousand, six hundred seventy-eight".