32520725832 has 256 divisors, whose sum is σ = 99935354880. Its totient is φ = 8622028800.

The previous prime is 32520725827. The next prime is 32520725843. The reversal of 32520725832 is 23852702523.

It is a super-2 number, since 2×32520725832² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13680228 + ... + 13682604.

It is an arithmetic number, because the mean of its divisors is an integer number (390372480).

Almost surely, 2^32520725832 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 32520725832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49967677440).

32520725832 is an abundant number, since it is smaller than the sum of its proper divisors (67414629048).

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

32520725832 is a wasteful number, since it uses less digits than its factorization.

32520725832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532 (or 2528 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 32520725832 in words is "thirty-two billion, five hundred twenty million, seven hundred twenty-five thousand, eight hundred thirty-two".