25976885760 has 640 divisors, whose sum is σ = 107549544960. Its totient is φ = 5819793408.

The previous prime is 25976885729. The next prime is 25976885783. The reversal of 25976885760 is 6758867952.

25976885760 is a `hidden beast` number, since 2 + 59 + 7 + 6 + 8 + 8 + 576 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 25643014 + ... + 25644026.

It is an arithmetic number, because the mean of its divisors is an integer number (168046164).

Almost surely, 2^25976885760 is an apocalyptic number.

25976885760 is a gapful number since it is divisible by the number (20) 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 25976885760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53774772480).

25976885760 is an abundant number, since it is smaller than the sum of its proper divisors (81572659200).

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

25976885760 is a wasteful number, since it uses less digits than its factorization.

25976885760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 25976885760 in words is "twenty-five billion, nine hundred seventy-six million, eight hundred eighty-five thousand, seven hundred sixty".