394765342208 has 40 divisors (see below), whose sum is σ = 790127250792. Its totient is φ = 197040439296.

The previous prime is 394765342193. The next prime is 394765342219. The reversal of 394765342208 is 802243567493.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 394765342208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372710 + ... + 963557.

Almost surely, 2^394765342208 is an apocalyptic number.

It is an amenable number.

394765342208 is an abundant number, since it is smaller than the sum of its proper divisors (395361908584).

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

394765342208 is an equidigital number, since it uses as much as digits as its factorization.

394765342208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336862 (or 1336846 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 394765342208 in words is "three hundred ninety-four billion, seven hundred sixty-five million, three hundred forty-two thousand, two hundred eight".