394556802036 has 24 divisors (see below), whose sum is σ = 929236583520. Its totient is φ = 130289784672.

The previous prime is 394556802001. The next prime is 394556802037. The reversal of 394556802036 is 630208655493.

It is a self number, because there is not a number n which added to its sum of digits gives 394556802036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394556802037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153642331 + ... + 153644898.

It is an arithmetic number, because the mean of its divisors is an integer number (38718190980).

Almost surely, 2^394556802036 is an apocalyptic number.

It is an amenable number.

394556802036 is an abundant number, since it is smaller than the sum of its proper divisors (534679781484).

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

394556802036 is a wasteful number, since it uses less digits than its factorization.

394556802036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307287343 (or 307287341 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 394556802036 in words is "three hundred ninety-four billion, five hundred fifty-six million, eight hundred two thousand, thirty-six".