25482240 has 264 divisors, whose sum is σ = 102186240. Its totient is φ = 5750784.

The previous prime is 25482227. The next prime is 25482253. The reversal of 25482240 is 4228452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25482227) and next prime (25482253).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 322521 + ... + 322599.

Almost surely, 2^25482240 is an apocalyptic number.

25482240 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 25482240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51093120).

25482240 is an abundant number, since it is smaller than the sum of its proper divisors (76704000).

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

25482240 is a wasteful number, since it uses less digits than its factorization.

25482240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 25482240 is about 5047.9936608518. The cubic root of 25482240 is about 294.2699173257.

The spelling of 25482240 in words is "twenty-five million, four hundred eighty-two thousand, two hundred forty".