25745804448 has 192 divisors, whose sum is σ = 84544088832. Its totient is φ = 6678650880.

The previous prime is 25745804443. The next prime is 25745804489. The reversal of 25745804448 is 84440854752.

It is a self number, because there is not a number n which added to its sum of digits gives 25745804448.

It is not an unprimeable number, because it can be changed into a prime (25745804443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508740 + ... + 557052.

It is an arithmetic number, because the mean of its divisors is an integer number (440333796).

Almost surely, 2^25745804448 is an apocalyptic number.

25745804448 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 25745804448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42272044416).

25745804448 is an abundant number, since it is smaller than the sum of its proper divisors (58798284384).

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

25745804448 is a wasteful number, since it uses less digits than its factorization.

25745804448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48407 (or 48399 counting only the distinct ones).

The product of its (nonzero) digits is 5734400, while the sum is 51.

The spelling of 25745804448 in words is "twenty-five billion, seven hundred forty-five million, eight hundred four thousand, four hundred forty-eight".