25425482368 has 128 divisors (see below), whose sum is σ = 59784076800. Its totient is φ = 10618490880.

The previous prime is 25425482351. The next prime is 25425482389. The reversal of 25425482368 is 86328452452.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4078678 + ... + 4084906.

It is an arithmetic number, because the mean of its divisors is an integer number (467063100).

Almost surely, 2^25425482368 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 25425482368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29892038400).

25425482368 is an abundant number, since it is smaller than the sum of its proper divisors (34358594432).

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

25425482368 is a wasteful number, since it uses less digits than its factorization.

25425482368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490 (or 6478 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 49.

The spelling of 25425482368 in words is "twenty-five billion, four hundred twenty-five million, four hundred eighty-two thousand, three hundred sixty-eight".