394605910688 has 48 divisors (see below), whose sum is σ = 859442633280. Its totient is φ = 176840025600.

The previous prime is 394605910651. The next prime is 394605910691. The reversal of 394605910688 is 886019506493.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7869653 + ... + 7919636.

It is an arithmetic number, because the mean of its divisors is an integer number (17905054860).

Almost surely, 2^394605910688 is an apocalyptic number.

It is an amenable number.

394605910688 is an abundant number, since it is smaller than the sum of its proper divisors (464836722592).

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

394605910688 is a wasteful number, since it uses less digits than its factorization.

394605910688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15789381 (or 15789373 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 394605910688 in words is "three hundred ninety-four billion, six hundred five million, nine hundred ten thousand, six hundred eighty-eight".