8681488867400 has 24 divisors (see below), whose sum is σ = 20184461617170. Its totient is φ = 3472595546880.

The previous prime is 8681488867391. The next prime is 8681488867439. The reversal of 8681488867400 is 47688841868.

It can be written as a sum of positive squares in 3 ways, for example, as 8094263981764 + 587224885636 = 2845042^2 + 766306^2 .

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 5 ways as a sum of consecutive naturals, for example, 21703721969 + ... + 21703722368.

Almost surely, 2^{8681488867400} is an apocalyptic number.

It is an amenable number.

8681488867400 is an abundant number, since it is smaller than the sum of its proper divisors (11502972749770).

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

8681488867400 is a wasteful number, since it uses less digits than its factorization.

8681488867400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43407444353 (or 43407444344 counting only the distinct ones).

The product of its (nonzero) digits is 132120576, while the sum is 68.

The spelling of 8681488867400 in words is "eight trillion, six hundred eighty-one billion, four hundred eighty-eight million, eight hundred sixty-seven thousand, four hundred".