320340200442 has 16 divisors (see below), whose sum is σ = 640868159520. Its totient is φ = 106748773712.

The previous prime is 320340200437. The next prime is 320340200473. The reversal of 320340200442 is 244002043023.

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, 7801092 + ... + 7842047.

It is an arithmetic number, because the mean of its divisors is an integer number (40054259970).

Almost surely, 2^320340200442 is an apocalyptic number.

320340200442 is an abundant number, since it is smaller than the sum of its proper divisors (320527959078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320340200442 is a wasteful number, since it uses less digits than its factorization.

320340200442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15646557.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 320340200442 its reverse (244002043023), we get a palindrome (564342243465).

The spelling of 320340200442 in words is "three hundred twenty billion, three hundred forty million, two hundred thousand, four hundred forty-two".