325155323240 has 512 divisors, whose sum is σ = 892379980800. Its totient is φ = 105283584000.

The previous prime is 325155323219. The next prime is 325155323243. The reversal of 325155323240 is 42323551523.

It is a self number, because there is not a number n which added to its sum of digits gives 325155323240.

It is not an unprimeable number, because it can be changed into a prime (325155323243) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2373396452 + ... + 2373396588.

It is an arithmetic number, because the mean of its divisors is an integer number (1742929650).

Almost surely, 2^325155323240 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 325155323240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446189990400).

325155323240 is an abundant number, since it is smaller than the sum of its proper divisors (567224657560).

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

325155323240 is a wasteful number, since it uses less digits than its factorization.

325155323240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 325155323240 its reverse (42323551523), we get a palindrome (367478874763).

The spelling of 325155323240 in words is "three hundred twenty-five billion, one hundred fifty-five million, three hundred twenty-three thousand, two hundred forty".