9940555000005 has 32 divisors (see below), whose sum is σ = 18177190802688. Its totient is φ = 4544209728000.

The previous prime is 9940555000001. The next prime is 9940555000039. The reversal of 9940555000005 is 5000005550499.

It is not a de Polignac number, because 9940555000005 - 2² = 9940555000001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9940555000001) 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, 12062655 + ... + 12860355.

It is an arithmetic number, because the mean of its divisors is an integer number (568037212584).

Almost surely, 2^{9940555000005} is an apocalyptic number.

It is an amenable number.

9940555000005 is a deficient number, since it is larger than the sum of its proper divisors (8236635802683).

9940555000005 is a wasteful number, since it uses less digits than its factorization.

9940555000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916397.

The product of its (nonzero) digits is 202500, while the sum is 42.

The spelling of 9940555000005 in words is "nine trillion, nine hundred forty billion, five hundred fifty-five million, five", and thus it is an aban number.