25250672668 has 96 divisors (see below), whose sum is σ = 51954237440. Its totient is φ = 10633835520.

The previous prime is 25250672639. The next prime is 25250672669. The reversal of 25250672668 is 86627605252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25250672669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6828196 + ... + 6831892.

Almost surely, 2^25250672668 is an apocalyptic number.

It is an amenable number.

25250672668 is an abundant number, since it is smaller than the sum of its proper divisors (26703564772).

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

25250672668 is a wasteful number, since it uses less digits than its factorization.

25250672668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3987 (or 3985 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 25250672668 in words is "twenty-five billion, two hundred fifty million, six hundred seventy-two thousand, six hundred sixty-eight".