9940043088 has 40 divisors (see below), whose sum is σ = 28531606400. Its totient is φ = 3313347552.

The previous prime is 9940043033. The next prime is 9940043129. The reversal of 9940043088 is 8803400499.

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 7 ways as a sum of consecutive naturals, for example, 11504248 + ... + 11505111.

It is an arithmetic number, because the mean of its divisors is an integer number (713290160).

Almost surely, 2^9940043088 is an apocalyptic number.

It is an amenable number.

9940043088 is an abundant number, since it is smaller than the sum of its proper divisors (18591563312).

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

9940043088 is a wasteful number, since it uses less digits than its factorization.

9940043088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23009376 (or 23009364 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 9940043088 is about 99699.7647339250. The cubic root of 9940043088 is about 2150.1202808497.

The spelling of 9940043088 in words is "nine billion, nine hundred forty million, forty-three thousand, eighty-eight".