325788538572 has 144 divisors (see below), whose sum is σ = 990945446400. Its totient is φ = 88161696000.

The previous prime is 325788538561. The next prime is 325788538601. The reversal of 325788538572 is 275835887523.

It is a happy number.

325788538572 is a `hidden beast` number, since 3 + 2 + 5 + 7 + 8 + 8 + 53 + 8 + 572 = 666.

It is a super-2 number, since 2×325788538572² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33515929 + ... + 33525647.

It is an arithmetic number, because the mean of its divisors is an integer number (6881565600).

Almost surely, 2^325788538572 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 325788538572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495472723200).

325788538572 is an abundant number, since it is smaller than the sum of its proper divisors (665156907828).

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

325788538572 is a wasteful number, since it uses less digits than its factorization.

325788538572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16756 (or 16751 counting only the distinct ones).

The product of its digits is 112896000, while the sum is 63.

The spelling of 325788538572 in words is "three hundred twenty-five billion, seven hundred eighty-eight million, five hundred thirty-eight thousand, five hundred seventy-two".