25748660224 has 224 divisors, whose sum is σ = 63480062016. Its totient is φ = 10192158720.

The previous prime is 25748660219. The next prime is 25748660257. The reversal of 25748660224 is 42206684752.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59465512 + ... + 59465944.

It is an arithmetic number, because the mean of its divisors is an integer number (283393134).

Almost surely, 2^25748660224 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 25748660224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31740031008).

25748660224 is an abundant number, since it is smaller than the sum of its proper divisors (37731401792).

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

25748660224 is an equidigital number, since it uses as much as digits as its factorization.

25748660224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 25748660224 in words is "twenty-five billion, seven hundred forty-eight million, six hundred sixty thousand, two hundred twenty-four".