25363772448 has 192 divisors, whose sum is σ = 82681159680. Its totient is φ = 6643814400.

The previous prime is 25363772443. The next prime is 25363772461. The reversal of 25363772448 is 84427736352.

It is a self number, because there is not a number n which added to its sum of digits gives 25363772448.

It is not an unprimeable number, because it can be changed into a prime (25363772443) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 363768 + ... + 427848.

It is an arithmetic number, because the mean of its divisors is an integer number (430631040).

Almost surely, 2^25363772448 is an apocalyptic number.

25363772448 is a gapful number since it is divisible by the number (28) 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 25363772448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41340579840).

25363772448 is an abundant number, since it is smaller than the sum of its proper divisors (57317387232).

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

25363772448 is a wasteful number, since it uses less digits than its factorization.

25363772448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64151 (or 64143 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 51.

The spelling of 25363772448 in words is "twenty-five billion, three hundred sixty-three million, seven hundred seventy-two thousand, four hundred forty-eight".