25589679332 has 96 divisors (see below), whose sum is σ = 54355660800. Its totient is φ = 10297228032.

The previous prime is 25589679317. The next prime is 25589679391. The reversal of 25589679332 is 23397698552.

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 31 ways as a sum of consecutive naturals, for example, 39797003 + ... + 39797645.

It is an arithmetic number, because the mean of its divisors is an integer number (566204800).

Almost surely, 2^25589679332 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 25589679332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27177830400).

25589679332 is an abundant number, since it is smaller than the sum of its proper divisors (28765981468).

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

25589679332 is a wasteful number, since it uses less digits than its factorization.

25589679332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 1223 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 59.

The spelling of 25589679332 in words is "twenty-five billion, five hundred eighty-nine million, six hundred seventy-nine thousand, three hundred thirty-two".