25068371208 has 128 divisors (see below), whose sum is σ = 65723374080. Its totient is φ = 7960309760.

The previous prime is 25068371171. The next prime is 25068371281. The reversal of 25068371208 is 80217386052.

It is a self number, because there is not a number n which added to its sum of digits gives 25068371208.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 12150385 + ... + 12152447.

It is an arithmetic number, because the mean of its divisors is an integer number (513463860).

Almost surely, 2^25068371208 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 25068371208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32861687040).

25068371208 is an abundant number, since it is smaller than the sum of its proper divisors (40655002872).

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

25068371208 is a wasteful number, since it uses less digits than its factorization.

25068371208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399 (or 2395 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 25068371208 in words is "twenty-five billion, sixty-eight million, three hundred seventy-one thousand, two hundred eight".