320450245946 has 8 divisors (see below), whose sum is σ = 493666595220. Its totient is φ = 155894714208.

The previous prime is 320450245919. The next prime is 320450245991. The reversal of 320450245946 is 649542054023.

It can be written as a sum of positive squares in 2 ways, for example, as 287629488721 + 32820757225 = 536311^2 + 181165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 320450245897 and 320450245906.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2165204291 + ... + 2165204438.

Almost surely, 2^320450245946 is an apocalyptic number.

320450245946 is a deficient number, since it is larger than the sum of its proper divisors (173216349274).

320450245946 is a wasteful number, since it uses less digits than its factorization.

320450245946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330408768.

The product of its (nonzero) digits is 1036800, while the sum is 44.

Adding to 320450245946 its reverse (649542054023), we get a palindrome (969992299969).

The spelling of 320450245946 in words is "three hundred twenty billion, four hundred fifty million, two hundred forty-five thousand, nine hundred forty-six".