9985944096 has 36 divisors (see below), whose sum is σ = 28397529342. Its totient is φ = 3328647936.

The previous prime is 9985944079. The next prime is 9985944107. The reversal of 9985944096 is 6904495899.

It can be written as a sum of positive squares in only one way, i.e., 9980010000 + 5934096 = 99900^2 + 2436^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17336421 + ... + 17336996.

Almost surely, 2^9985944096 is an apocalyptic number.

9985944096 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

9985944096 is an abundant number, since it is smaller than the sum of its proper divisors (18411585246).

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

9985944096 is a wasteful number, since it uses less digits than its factorization.

9985944096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34673433 (or 34673422 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The square root of 9985944096 is about 99929.6957665738. The cubic root of 9985944096 is about 2153.4247991471.

The spelling of 9985944096 in words is "nine billion, nine hundred eighty-five million, nine hundred forty-four thousand, ninety-six".