394775366352 has 80 divisors (see below), whose sum is σ = 1072946035392. Its totient is φ = 124912419840.

The previous prime is 394775366333. The next prime is 394775366357. The reversal of 394775366352 is 253663577493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394775366357) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2637958 + ... + 2783589.

Almost surely, 2^394775366352 is an apocalyptic number.

It is an amenable number.

394775366352 is an abundant number, since it is smaller than the sum of its proper divisors (678170669040).

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

394775366352 is a wasteful number, since it uses less digits than its factorization.

394775366352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421636 (or 5421630 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 60.

The spelling of 394775366352 in words is "three hundred ninety-four billion, seven hundred seventy-five million, three hundred sixty-six thousand, three hundred fifty-two".