325445120000 has 1040 divisors, whose sum is σ = 1100518121472. Its totient is φ = 92897280000.

The previous prime is 325445119981. The next prime is 325445120027. The reversal of 325445120000 is 21544523.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1040).

It is a super-2 number, since 2×325445120000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 2562559937 + ... + 2562560063.

Almost surely, 2^325445120000 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 325445120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550259060736).

325445120000 is an abundant number, since it is smaller than the sum of its proper divisors (775073001472).

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

325445120000 is a wasteful number, since it uses less digits than its factorization.

325445120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 325445120000 its reverse (21544523), we get a palindrome (325466664523).

The spelling of 325445120000 in words is "three hundred twenty-five billion, four hundred forty-five million, one hundred twenty thousand".