25358741856 has 576 divisors, whose sum is σ = 90417600000. Its totient is φ = 6718215168.

The previous prime is 25358741843. The next prime is 25358741857. The reversal of 25358741856 is 65814785352.

25358741856 is a `hidden beast` number, since 2 + 5 + 3 + 587 + 4 + 1 + 8 + 56 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25358741857) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 110736750 + ... + 110736978.

It is an arithmetic number, because the mean of its divisors is an integer number (156975000).

Almost surely, 2^25358741856 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 25358741856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45208800000).

25358741856 is an abundant number, since it is smaller than the sum of its proper divisors (65058858144).

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

25358741856 is a wasteful number, since it uses less digits than its factorization.

25358741856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 319 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 54.

The spelling of 25358741856 in words is "twenty-five billion, three hundred fifty-eight million, seven hundred forty-one thousand, eight hundred fifty-six".