325169840 has 60 divisors (see below), whose sum is σ = 771086064. Its totient is φ = 127525632.

The previous prime is 325169807. The next prime is 325169843. The reversal of 325169840 is 48961523.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 325169794 and 325169803.

It is not an unprimeable number, because it can be changed into a prime (325169843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223997 + ... + 225443.

Almost surely, 2^325169840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325169840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385543032).

325169840 is an abundant number, since it is smaller than the sum of its proper divisors (445916224).

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

325169840 is a wasteful number, since it uses less digits than its factorization.

325169840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 325169840 is about 18032.4662761365. The cubic root of 325169840 is about 687.6541776532.

The spelling of 325169840 in words is "three hundred twenty-five million, one hundred sixty-nine thousand, eight hundred forty".