394606448026 has 16 divisors (see below), whose sum is σ = 686564738496. Its totient is φ = 166592913696.

The previous prime is 394606448021. The next prime is 394606448039. The reversal of 394606448026 is 620844606493.

It is not an unprimeable number, because it can be changed into a prime (394606448021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210343651 + ... + 210345526.

It is an arithmetic number, because the mean of its divisors is an integer number (42910296156).

Almost surely, 2^394606448026 is an apocalyptic number.

394606448026 is a deficient number, since it is larger than the sum of its proper divisors (291958290470).

394606448026 is a wasteful number, since it uses less digits than its factorization.

394606448026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420689253.

The product of its (nonzero) digits is 5971968, while the sum is 52.

The spelling of 394606448026 in words is "three hundred ninety-four billion, six hundred six million, four hundred forty-eight thousand, twenty-six".