394106944522 has 16 divisors (see below), whose sum is σ = 593396661312. Its totient is φ = 196308774720.

The previous prime is 394106944519. The next prime is 394106944529. The reversal of 394106944522 is 225449601493.

It is not an unprimeable number, because it can be changed into a prime (394106944529) 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 7 ways as a sum of consecutive naturals, for example, 927013 + ... + 1283575.

It is an arithmetic number, because the mean of its divisors is an integer number (37087291332).

Almost surely, 2^394106944522 is an apocalyptic number.

394106944522 is a deficient number, since it is larger than the sum of its proper divisors (199289716790).

394106944522 is a wasteful number, since it uses less digits than its factorization.

394106944522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358653.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 394106944522 in words is "three hundred ninety-four billion, one hundred six million, nine hundred forty-four thousand, five hundred twenty-two".