9930135488 has 112 divisors (see below), whose sum is σ = 24301362624. Its totient is φ = 3920486400.

The previous prime is 9930135451. The next prime is 9930135499. The reversal of 9930135488 is 8845310399.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3498806 + ... + 3501642.

It is an arithmetic number, because the mean of its divisors is an integer number (216976452).

Almost surely, 2^9930135488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9930135488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12150681312).

9930135488 is an abundant number, since it is smaller than the sum of its proper divisors (14371227136).

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

9930135488 is a wasteful number, since it uses less digits than its factorization.

9930135488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3470 (or 3460 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 9930135488 is about 99650.0651680670. The cubic root of 9930135488 is about 2149.4056758560.

The spelling of 9930135488 in words is "nine billion, nine hundred thirty million, one hundred thirty-five thousand, four hundred eighty-eight".