9918009240 has 64 divisors (see below), whose sum is σ = 29778300000. Its totient is φ = 2642644992.

The previous prime is 9918009223. The next prime is 9918009289. The reversal of 9918009240 is 429008199.

9918009240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9918009192 and 9918009201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116794 + ... + 182966.

Almost surely, 2^9918009240 is an apocalyptic number.

It is an amenable number.

9918009240 is an abundant number, since it is smaller than the sum of its proper divisors (19860290760).

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

9918009240 is a wasteful number, since it uses less digits than its factorization.

9918009240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67436 (or 67432 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 9918009240 is about 99589.2024267691. The cubic root of 9918009240 is about 2148.5303993467.

The spelling of 9918009240 in words is "nine billion, nine hundred eighteen million, nine thousand, two hundred forty".