320424413330344 has 8 divisors (see below), whose sum is σ = 600795774994410. Its totient is φ = 160212206665168.

The previous prime is 320424413330339. The next prime is 320424413330353. The reversal of 320424413330344 is 443033314424023.

It can be written as a sum of positive squares in only one way, i.e., 319656424007844 + 767989322500 = 17878938^2 + 876350^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 320424413330297 and 320424413330306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20026525833139 + ... + 20026525833154.

Almost surely, 2^{320424413330344} is an apocalyptic number.

It is an amenable number.

320424413330344 is a deficient number, since it is larger than the sum of its proper divisors (280371361664066).

320424413330344 is a wasteful number, since it uses less digits than its factorization.

320424413330344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40053051666299 (or 40053051666295 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 40.

Adding to 320424413330344 its reverse (443033314424023), we get a palindrome (763457727754367).

The spelling of 320424413330344 in words is "three hundred twenty trillion, four hundred twenty-four billion, four hundred thirteen million, three hundred thirty thousand, three hundred forty-four".