320432534344 has 32 divisors (see below), whose sum is σ = 669338523000. Its totient is φ = 142792215552.

The previous prime is 320432534287. The next prime is 320432534363. The reversal of 320432534344 is 443435234023.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 118797408900 + 201635125444 = 344670^2 + 449038^2 .

It is a super-2 number, since 2×320432534344² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 53119089 + ... + 53125120.

Almost surely, 2^320432534344 is an apocalyptic number.

It is an amenable number.

320432534344 is an abundant number, since it is smaller than the sum of its proper divisors (348905988656).

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

320432534344 is a wasteful number, since it uses less digits than its factorization.

320432534344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106244257 (or 106244253 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 37.

Adding to 320432534344 its reverse (443435234023), we get a palindrome (763867768367).

The spelling of 320432534344 in words is "three hundred twenty billion, four hundred thirty-two million, five hundred thirty-four thousand, three hundred forty-four".