25986048 has 88 divisors (see below), whose sum is σ = 75657120. Its totient is φ = 7864320.

The previous prime is 25986031. The next prime is 25986049. The reversal of 25986048 is 84068952.

It is a tau number, because it is divible by the number of its divisors (88).

It is not an unprimeable number, because it can be changed into a prime (25986049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33408 + ... + 34176.

It is an arithmetic number, because the mean of its divisors is an integer number (859740).

Almost surely, 2^25986048 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 25986048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37828560).

25986048 is an abundant number, since it is smaller than the sum of its proper divisors (49671072).

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

25986048 is a wasteful number, since it uses less digits than its factorization.

25986048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 25986048 is about 5097.6512238481. The cubic root of 25986048 is about 296.1966066605.

It can be divided in two parts, 2598 and 6048, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 25986048 in words is "twenty-five million, nine hundred eighty-six thousand, forty-eight".