32500891536 has 80 divisors (see below), whose sum is σ = 87221703168. Its totient is φ = 10417305600.

The previous prime is 32500891487. The next prime is 32500891559. The reversal of 32500891536 is 63519800523.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 164056 + ... + 303176.

Almost surely, 2^32500891536 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 32500891536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43610851584).

32500891536 is an abundant number, since it is smaller than the sum of its proper divisors (54720811632).

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

32500891536 is a wasteful number, since it uses less digits than its factorization.

32500891536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139320 (or 139314 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 32500891536 in words is "thirty-two billion, five hundred million, eight hundred ninety-one thousand, five hundred thirty-six".