320234140424 has 24 divisors (see below), whose sum is σ = 659986686030. Its totient is φ = 145560972480.

The previous prime is 320234140399. The next prime is 320234140433. The reversal of 320234140424 is 424041432023.

It can be written as a sum of positive squares in only one way, i.e., 207008620324 + 113225520100 = 454982^2 + 336490^2 .

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 5 ways as a sum of consecutive naturals, for example, 165409229 + ... + 165411164.

Almost surely, 2^320234140424 is an apocalyptic number.

It is an amenable number.

320234140424 is an abundant number, since it is smaller than the sum of its proper divisors (339752545606).

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

320234140424 is a wasteful number, since it uses less digits than its factorization.

320234140424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330820421 (or 330820406 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 320234140424 its reverse (424041432023), we get a palindrome (744275572447).

The spelling of 320234140424 in words is "three hundred twenty billion, two hundred thirty-four million, one hundred forty thousand, four hundred twenty-four".