320244330452 has 6 divisors (see below), whose sum is σ = 560427578298. Its totient is φ = 160122165224.

The previous prime is 320244330431. The next prime is 320244330499. The reversal of 320244330452 is 254033442023.

It can be written as a sum of positive squares in only one way, i.e., 259351858756 + 60892471696 = 509266^2 + 246764^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40030541303 + ... + 40030541310.

It is an arithmetic number, because the mean of its divisors is an integer number (93404596383).

Almost surely, 2^320244330452 is an apocalyptic number.

It is an amenable number.

320244330452 is a deficient number, since it is larger than the sum of its proper divisors (240183247846).

320244330452 is a wasteful number, since it uses less digits than its factorization.

320244330452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80061082617 (or 80061082615 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 320244330452 its reverse (254033442023), we get a palindrome (574277772475).

The spelling of 320244330452 in words is "three hundred twenty billion, two hundred forty-four million, three hundred thirty thousand, four hundred fifty-two".