9942626988 has 96 divisors (see below), whose sum is σ = 29549381120. Its totient is φ = 2832096960.

The previous prime is 9942626963. The next prime is 9942627001. The reversal of 9942626988 is 8896262499.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230370 + ... + 270102.

Almost surely, 2^9942626988 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 9942626988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14774690560).

9942626988 is an abundant number, since it is smaller than the sum of its proper divisors (19606754132).

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

9942626988 is a wasteful number, since it uses less digits than its factorization.

9942626988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40084 (or 40076 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The square root of 9942626988 is about 99712.7222976085. The cubic root of 9942626988 is about 2150.3065716070.

The spelling of 9942626988 in words is "nine billion, nine hundred forty-two million, six hundred twenty-six thousand, nine hundred eighty-eight".