325446052240 has 20 divisors (see below), whose sum is σ = 756662071644. Its totient is φ = 130178420864.

The previous prime is 325446052207. The next prime is 325446052289. The reversal of 325446052240 is 42250644523.

It can be written as a sum of positive squares in 2 ways, for example, as 217420768656 + 108025283584 = 466284^2 + 328672^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 325446052240.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2034037747 + ... + 2034037906.

Almost surely, 2^325446052240 is an apocalyptic number.

It is an amenable number.

325446052240 is an abundant number, since it is smaller than the sum of its proper divisors (431216019404).

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

325446052240 is a wasteful number, since it uses less digits than its factorization.

325446052240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068075666 (or 4068075660 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 325446052240 its reverse (42250644523), we get a palindrome (367696696763).

The spelling of 325446052240 in words is "three hundred twenty-five billion, four hundred forty-six million, fifty-two thousand, two hundred forty".