325545220000 has 1440 divisors, whose sum is σ = 1153419087744. Its totient is φ = 88704000000.

The previous prime is 325545219971. The next prime is 325545220001. The reversal of 325545220000 is 22545523.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325545220001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 3223219950 + ... + 3223220050.

Almost surely, 2^325545220000 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 325545220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576709543872).

325545220000 is an abundant number, since it is smaller than the sum of its proper divisors (827873867744).

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

325545220000 is a wasteful number, since it uses less digits than its factorization.

325545220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 325545220000 its reverse (22545523), we get a palindrome (325567765523).

It can be divided in two parts, 325545 and 220000, that added together give a palindrome (545545).

The spelling of 325545220000 in words is "three hundred twenty-five billion, five hundred forty-five million, two hundred twenty thousand".