9908602240 has 64 divisors (see below), whose sum is σ = 23711940000. Its totient is φ = 3959394304.

The previous prime is 9908602237. The next prime is 9908602247. The reversal of 9908602240 is 422068099.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 9908602193 and 9908602202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9908602247) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 663981 + ... + 678739.

Almost surely, 2^9908602240 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 9908602240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11855970000).

9908602240 is an abundant number, since it is smaller than the sum of its proper divisors (13803337760).

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

9908602240 is a wasteful number, since it uses less digits than its factorization.

9908602240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15827 (or 15815 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 9908602240 is about 99541.9622069005. The cubic root of 9908602240 is about 2147.8509075151.

The spelling of 9908602240 in words is "nine billion, nine hundred eight million, six hundred two thousand, two hundred forty".