324530140 has 24 divisors (see below), whose sum is σ = 743469552. Its totient is φ = 118010880.

The previous prime is 324530131. The next prime is 324530189. The reversal of 324530140 is 41035423.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737349 + ... + 737788.

It is an arithmetic number, because the mean of its divisors is an integer number (30977898).

Almost surely, 2^324530140 is an apocalyptic number.

It is an amenable number.

324530140 is an abundant number, since it is smaller than the sum of its proper divisors (418939412).

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

324530140 is a wasteful number, since it uses less digits than its factorization.

324530140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475157 (or 1475155 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 324530140 is about 18014.7200921913. The cubic root of 324530140 is about 687.2029456069.

Adding to 324530140 its reverse (41035423), we get a palindrome (365565563).

The spelling of 324530140 in words is "three hundred twenty-four million, five hundred thirty thousand, one hundred forty".