325220140 has 24 divisors (see below), whose sum is σ = 780528672. Its totient is φ = 111504000.

The previous prime is 325220113. The next prime is 325220153. The reversal of 325220140 is 41022523.

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, 1161361 + ... + 1161640.

It is an arithmetic number, because the mean of its divisors is an integer number (32522028).

Almost surely, 2^325220140 is an apocalyptic number.

It is an amenable number.

325220140 is an abundant number, since it is smaller than the sum of its proper divisors (455308532).

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

325220140 is a wasteful number, since it uses less digits than its factorization.

325220140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323017 (or 2323015 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 325220140 is about 18033.8609288194. The cubic root of 325220140 is about 687.6896331983.

Adding to 325220140 its reverse (41022523), we get a palindrome (366242663).

The spelling of 325220140 in words is "three hundred twenty-five million, two hundred twenty thousand, one hundred forty".