25000240 has 80 divisors (see below), whose sum is σ = 60888960. Its totient is φ = 9538560.

The previous prime is 25000231. The next prime is 25000267. The reversal of 25000240 is 4200052.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 25000240.

It is a congruent number.

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, 229306 + ... + 229414.

It is an arithmetic number, because the mean of its divisors is an integer number (761112).

Almost surely, 2^25000240 is an apocalyptic number.

25000240 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 25000240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30444480).

25000240 is an abundant number, since it is smaller than the sum of its proper divisors (35888720).

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

25000240 is a wasteful number, since it uses less digits than its factorization.

25000240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 25000240 is about 5000.0239999424. The cubic root of 25000240 is about 292.4027095040.

Adding to 25000240 its reverse (4200052), we get a palindrome (29200292).

The spelling of 25000240 in words is "twenty-five million, two hundred forty", and thus it is an aban number.