325231040 has 56 divisors (see below), whose sum is σ = 808146720. Its totient is φ = 124433408.

The previous prime is 325231033. The next prime is 325231061. The reversal of 325231040 is 40132523.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14735 + ... + 29454.

Almost surely, 2^325231040 is an apocalyptic number.

It is an amenable number.

325231040 is an abundant number, since it is smaller than the sum of its proper divisors (482915680).

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

325231040 is a wasteful number, since it uses less digits than its factorization.

325231040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44229 (or 44219 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 325231040 is about 18034.1631355602. The cubic root of 325231040 is about 687.6973159259.

Adding to 325231040 its reverse (40132523), we get a palindrome (365363563).

The spelling of 325231040 in words is "three hundred twenty-five million, two hundred thirty-one thousand, forty".