320185850745 has 32 divisors (see below), whose sum is σ = 530750736000. Its totient is φ = 164632172544.

The previous prime is 320185850741. The next prime is 320185850771. The reversal of 320185850745 is 547058581023.

It is not a de Polignac number, because 320185850745 - 2² = 320185850741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320185850694 and 320185850703.

It is not an unprimeable number, because it can be changed into a prime (320185850741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254095 + ... + 839604.

It is an arithmetic number, because the mean of its divisors is an integer number (16585960500).

Almost surely, 2^320185850745 is an apocalyptic number.

It is an amenable number.

320185850745 is a deficient number, since it is larger than the sum of its proper divisors (210564885255).

320185850745 is a wasteful number, since it uses less digits than its factorization.

320185850745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094409.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 320185850745 in words is "three hundred twenty billion, one hundred eighty-five million, eight hundred fifty thousand, seven hundred forty-five".