25668955944810 has 128 divisors (see below), whose sum is σ = 70813462809600. Its totient is φ = 6608780559360.

The previous prime is 25668955944809. The next prime is 25668955944859. The reversal of 25668955944810 is 1844955986652.

25668955944810 is a `hidden beast` number, since 2 + 5 + 6 + 6 + 8 + 9 + 55 + 94 + 481 + 0 = 666.

It is a super-2 number, since 2×25668955944810² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 349862530 + ... + 349935890.

It is an arithmetic number, because the mean of its divisors is an integer number (553230178200).

Almost surely, 2^{25668955944810} is an apocalyptic number.

25668955944810 is an abundant number, since it is smaller than the sum of its proper divisors (45144506864790).

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

25668955944810 is a wasteful number, since it uses less digits than its factorization.

25668955944810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118093 (or 118087 counting only the distinct ones).

The product of its (nonzero) digits is 746496000, while the sum is 72.

The spelling of 25668955944810 in words is "twenty-five trillion, six hundred sixty-eight billion, nine hundred fifty-five million, nine hundred forty-four thousand, eight hundred ten".