320271840534 has 32 divisors (see below), whose sum is σ = 662804588160. Its totient is φ = 103102921152.

The previous prime is 320271840533. The next prime is 320271840563. The reversal of 320271840534 is 435048172023.

It is a super-4 number, since 4×320271840534⁴ (a number of 47 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320271840492 and 320271840501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320271840533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6950992 + ... + 6996915.

It is an arithmetic number, because the mean of its divisors is an integer number (20712643380).

Almost surely, 2^320271840534 is an apocalyptic number.

320271840534 is an abundant number, since it is smaller than the sum of its proper divisors (342532747626).

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

320271840534 is a wasteful number, since it uses less digits than its factorization.

320271840534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13948044.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 320271840534 in words is "three hundred twenty billion, two hundred seventy-one million, eight hundred forty thousand, five hundred thirty-four".