320314400344 has 8 divisors (see below), whose sum is σ = 600589500660. Its totient is φ = 160157200168.

The previous prime is 320314400327. The next prime is 320314400353. The reversal of 320314400344 is 443004413023.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 20019650014 + ... + 20019650029.

Almost surely, 2^320314400344 is an apocalyptic number.

It is an amenable number.

320314400344 is a deficient number, since it is larger than the sum of its proper divisors (280275100316).

320314400344 is a wasteful number, since it uses less digits than its factorization.

320314400344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40039300049 (or 40039300045 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 320314400344 its reverse (443004413023), we get a palindrome (763318813367).

The spelling of 320314400344 in words is "three hundred twenty billion, three hundred fourteen million, four hundred thousand, three hundred forty-four".