25456896 has 144 divisors (see below), whose sum is σ = 78489600. Its totient is φ = 8128512.

The previous prime is 25456891. The next prime is 25456919. The reversal of 25456896 is 69865452.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (25456891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200385 + ... + 200511.

Almost surely, 2^25456896 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 25456896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39244800).

25456896 is an abundant number, since it is smaller than the sum of its proper divisors (53032704).

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

25456896 is a wasteful number, since it uses less digits than its factorization.

25456896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 161 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 25456896 is about 5045.4827321080. The cubic root of 25456896 is about 294.1723271262.

The spelling of 25456896 in words is "twenty-five million, four hundred fifty-six thousand, eight hundred ninety-six".