9820440300 has 144 divisors (see below), whose sum is σ = 31188753792. Its totient is φ = 2365977600.

The previous prime is 9820440299. The next prime is 9820440313. The reversal of 9820440300 is 30440289.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 528772 + ... + 547028.

It is an arithmetic number, because the mean of its divisors is an integer number (216588568).

Almost surely, 2^9820440300 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 9820440300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15594376896).

9820440300 is an abundant number, since it is smaller than the sum of its proper divisors (21368313492).

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

9820440300 is a wasteful number, since it uses less digits than its factorization.

9820440300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18448 (or 18441 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 9820440300 is about 99098.1346948569. The cubic root of 9820440300 is about 2141.4617418793.

Adding to 9820440300 its reverse (30440289), we get a palindrome (9850880589).

The spelling of 9820440300 in words is "nine billion, eight hundred twenty million, four hundred forty thousand, three hundred".