9800909280 has 384 divisors, whose sum is σ = 35712351360. Its totient is φ = 2539579392.

The previous prime is 9800909269. The next prime is 9800909299. The reversal of 9800909280 is 829090089.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12946662 + ... + 12947418.

It is an arithmetic number, because the mean of its divisors is an integer number (93000915).

Almost surely, 2^9800909280 is an apocalyptic number.

9800909280 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9800909280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17856175680).

9800909280 is an abundant number, since it is smaller than the sum of its proper divisors (25911442080).

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

9800909280 is an equidigital number, since it uses as much as digits as its factorization.

9800909280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 9800909280 is about 98999.5418171216. The cubic root of 9800909280 is about 2140.0411439960.

The spelling of 9800909280 in words is "nine billion, eight hundred million, nine hundred nine thousand, two hundred eighty".