325440636 has 24 divisors (see below), whose sum is σ = 764394624. Its totient is φ = 107761200.

The previous prime is 325440631. The next prime is 325440649. The reversal of 325440636 is 636044523.

325440636 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 325440597 and 325440606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325440631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87990 + ... + 91613.

It is an arithmetic number, because the mean of its divisors is an integer number (31849776).

Almost surely, 2^325440636 is an apocalyptic number.

It is an amenable number.

325440636 is an abundant number, since it is smaller than the sum of its proper divisors (438953988).

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

325440636 is a wasteful number, since it uses less digits than its factorization.

325440636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179761 (or 179759 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 325440636 is about 18039.9732815767. The cubic root of 325440636 is about 687.8450136510.

The spelling of 325440636 in words is "three hundred twenty-five million, four hundred forty thousand, six hundred thirty-six".