25794263808 has 288 divisors, whose sum is σ = 81678240000. Its totient is φ = 8005091328.

The previous prime is 25794263791. The next prime is 25794263809. The reversal of 25794263808 is 80836249752.

25794263808 is a `hidden beast` number, since 2 + 579 + 4 + 2 + 63 + 8 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (25794263809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7746688 + ... + 7750016.

It is an arithmetic number, because the mean of its divisors is an integer number (283605000).

Almost surely, 2^25794263808 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 25794263808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40839120000).

25794263808 is an abundant number, since it is smaller than the sum of its proper divisors (55883976192).

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

25794263808 is a wasteful number, since it uses less digits than its factorization.

25794263808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432 (or 3412 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 25794263808 in words is "twenty-five billion, seven hundred ninety-four million, two hundred sixty-three thousand, eight hundred eight".