25308864196 has 96 divisors (see below), whose sum is σ = 58945259520. Its totient is φ = 9209894400.

The previous prime is 25308864181. The next prime is 25308864197. The reversal of 25308864196 is 69146880352.

It is not an unprimeable number, because it can be changed into a prime (25308864197) by changing a digit.

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, 385036 + ... + 445948.

It is an arithmetic number, because the mean of its divisors is an integer number (614013120).

Almost surely, 2^25308864196 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 25308864196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29472629760).

25308864196 is an abundant number, since it is smaller than the sum of its proper divisors (33636395324).

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

25308864196 is a wasteful number, since it uses less digits than its factorization.

25308864196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61025 (or 61023 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 25308864196 in words is "twenty-five billion, three hundred eight million, eight hundred sixty-four thousand, one hundred ninety-six".