320889363752 has 8 divisors (see below), whose sum is σ = 601667557050. Its totient is φ = 160444681872.

The previous prime is 320889363731. The next prime is 320889363841. The reversal of 320889363752 is 257363988023.

It can be written as a sum of positive squares in only one way, i.e., 320566586596 + 322777156 = 566186^2 + 17966^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20055585227 + ... + 20055585242.

Almost surely, 2^320889363752 is an apocalyptic number.

It is an amenable number.

320889363752 is a deficient number, since it is larger than the sum of its proper divisors (280778193298).

320889363752 is a wasteful number, since it uses less digits than its factorization.

320889363752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40111170475 (or 40111170471 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 320889363752 in words is "three hundred twenty billion, eight hundred eighty-nine million, three hundred sixty-three thousand, seven hundred fifty-two".