320825400194 has 16 divisors (see below), whose sum is σ = 532263347448. Its totient is φ = 144071281152.

The previous prime is 320825400193. The next prime is 320825400221. The reversal of 320825400194 is 491004528023.

It can be written as a sum of positive squares in 4 ways, for example, as 173934873025 + 146890527169 = 417055^2 + 383263^2 .

It is not an unprimeable number, because it can be changed into a prime (320825400193) 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, 166748207 + ... + 166750130.

Almost surely, 2^320825400194 is an apocalyptic number.

320825400194 is a deficient number, since it is larger than the sum of its proper divisors (211437947254).

320825400194 is a wasteful number, since it uses less digits than its factorization.

320825400194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333498389.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 320825400194 in words is "three hundred twenty billion, eight hundred twenty-five million, four hundred thousand, one hundred ninety-four".