9886396338040 has 128 divisors (see below), whose sum is σ = 22618683000000. Its totient is φ = 3888606281728.

The previous prime is 9886396338023. The next prime is 9886396338139. The reversal of 9886396338040 is 408336936889.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1318358211 + ... + 1318365709.

Almost surely, 2^{9886396338040} is an apocalyptic number.

It is an amenable number.

9886396338040 is an abundant number, since it is smaller than the sum of its proper divisors (12732286661960).

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

9886396338040 is a wasteful number, since it uses less digits than its factorization.

9886396338040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9889 (or 9885 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 67.

The spelling of 9886396338040 in words is "nine trillion, eight hundred eighty-six billion, three hundred ninety-six million, three hundred thirty-eight thousand, forty".