25885329132 has 72 divisors (see below), whose sum is σ = 66379083456. Its totient is φ = 7845799104.

The previous prime is 25885329097. The next prime is 25885329163. The reversal of 25885329132 is 23192358852.

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 23 ways as a sum of consecutive naturals, for example, 40623 + ... + 231129.

Almost surely, 2^25885329132 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 25885329132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33189541728).

25885329132 is an abundant number, since it is smaller than the sum of its proper divisors (40493754324).

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

25885329132 is a wasteful number, since it uses less digits than its factorization.

25885329132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190607 (or 190592 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The spelling of 25885329132 in words is "twenty-five billion, eight hundred eighty-five million, three hundred twenty-nine thousand, one hundred thirty-two".