25743713856 has 224 divisors, whose sum is σ = 79929288960. Its totient is φ = 7160832000.

The previous prime is 25743713851. The next prime is 25743713867. The reversal of 25743713856 is 65831734752.

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

It is a junction number, because it is equal to n+sod(n) for n = 25743713799 and 25743713808.

It is not an unprimeable number, because it can be changed into a prime (25743713851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8278830 + ... + 8281938.

Almost surely, 2^25743713856 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 25743713856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39964644480).

25743713856 is an abundant number, since it is smaller than the sum of its proper divisors (54185575104).

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

25743713856 is a wasteful number, since it uses less digits than its factorization.

25743713856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293 (or 3283 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 51.

The spelling of 25743713856 in words is "twenty-five billion, seven hundred forty-three million, seven hundred thirteen thousand, eight hundred fifty-six".