325647432432 has 400 divisors, whose sum is σ = 1137093144000. Its totient is φ = 89830218240.

The previous prime is 325647432419. The next prime is 325647432433. The reversal of 325647432432 is 234234746523.

325647432432 is a `hidden beast` number, since 3 + 2 + 564 + 7 + 43 + 2 + 43 + 2 = 666.

325647432432 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325647432433) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12878682 + ... + 12903942.

It is an arithmetic number, because the mean of its divisors is an integer number (2842732860).

Almost surely, 2^325647432432 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 325647432432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568546572000).

325647432432 is an abundant number, since it is smaller than the sum of its proper divisors (811445711568).

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

325647432432 is a wasteful number, since it uses less digits than its factorization.

325647432432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25331 (or 25302 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 45.

The spelling of 325647432432 in words is "three hundred twenty-five billion, six hundred forty-seven million, four hundred thirty-two thousand, four hundred thirty-two".