326439648368 has 40 divisors (see below), whose sum is σ = 635589319680. Its totient is φ = 162417816000.

The previous prime is 326439648343. The next prime is 326439648373. The reversal of 326439648368 is 863846934623.

It is a self number, because there is not a number n which added to its sum of digits gives 326439648368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4328003 + ... + 4402781.

It is an arithmetic number, because the mean of its divisors is an integer number (15889732992).

Almost surely, 2^326439648368 is an apocalyptic number.

It is an amenable number.

326439648368 is a deficient number, since it is larger than the sum of its proper divisors (309149671312).

326439648368 is a wasteful number, since it uses less digits than its factorization.

326439648368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76125 (or 76119 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 62.

The spelling of 326439648368 in words is "three hundred twenty-six billion, four hundred thirty-nine million, six hundred forty-eight thousand, three hundred sixty-eight".