394556802028 has 12 divisors (see below), whose sum is σ = 692122316760. Its totient is φ = 196807568672.

The previous prime is 394556802001. The next prime is 394556802037. The reversal of 394556802028 is 820208655493.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 117706201 + ... + 117709552.

It is an arithmetic number, because the mean of its divisors is an integer number (57676859730).

Almost surely, 2^394556802028 is an apocalyptic number.

It is an amenable number.

394556802028 is a deficient number, since it is larger than the sum of its proper divisors (297565514732).

394556802028 is a wasteful number, since it uses less digits than its factorization.

394556802028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235416176 (or 235416174 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 394556802028 in words is "three hundred ninety-four billion, five hundred fifty-six million, eight hundred two thousand, twenty-eight".