25026240 has 112 divisors (see below), whose sum is σ = 80467200. Its totient is φ = 6589440.

The previous prime is 25026191. The next prime is 25026247. The reversal of 25026240 is 4262052.

It is not an unprimeable number, because it can be changed into a prime (25026247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125661 + ... + 125859.

Almost surely, 2^25026240 is an apocalyptic number.

25026240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25026240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40233600).

25026240 is an abundant number, since it is smaller than the sum of its proper divisors (55440960).

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

25026240 is a wasteful number, since it uses less digits than its factorization.

25026240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 25026240 is about 5002.6233118235. The cubic root of 25026240 is about 292.5040396841.

Adding to 25026240 its reverse (4262052), we get a palindrome (29288292).

The spelling of 25026240 in words is "twenty-five million, twenty-six thousand, two hundred forty".