25928349696 has 768 divisors, whose sum is σ = 89631360000. Its totient is φ = 7357464576.

The previous prime is 25928349683. The next prime is 25928349763. The reversal of 25928349696 is 69694382952.

25928349696 is a `hidden beast` number, since 2 + 59 + 2 + 8 + 3 + 496 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (768).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 700766190 + ... + 700766226.

It is an arithmetic number, because the mean of its divisors is an integer number (116707500).

Almost surely, 2^25928349696 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 25928349696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44815680000).

25928349696 is an abundant number, since it is smaller than the sum of its proper divisors (63703010304).

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

25928349696 is a wasteful number, since it uses less digits than its factorization.

25928349696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 113 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The spelling of 25928349696 in words is "twenty-five billion, nine hundred twenty-eight million, three hundred forty-nine thousand, six hundred ninety-six".