25996748922 has 48 divisors (see below), whose sum is σ = 58339008000. Its totient is φ = 8356656672.

The previous prime is 25996748887. The next prime is 25996748923. The reversal of 25996748922 is 22984769952.

25996748922 is a `hidden beast` number, since 2 + 5 + 99 + 67 + 489 + 2 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 25996748922.

It is not an unprimeable number, because it can be changed into a prime (25996748923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408279 + ... + 467637.

It is an arithmetic number, because the mean of its divisors is an integer number (1215396000).

Almost surely, 2^25996748922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25996748922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29169504000).

25996748922 is an abundant number, since it is smaller than the sum of its proper divisors (32342259078).

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

25996748922 is a wasteful number, since it uses less digits than its factorization.

25996748922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60235 (or 60232 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 25996748922 in words is "twenty-five billion, nine hundred ninety-six million, seven hundred forty-eight thousand, nine hundred twenty-two".