9804207140 has 108 divisors (see below), whose sum is σ = 25934762196. Its totient is φ = 3102817536.

The previous prime is 9804207137. The next prime is 9804207151. The reversal of 9804207140 is 417024089.

It can be written as a sum of positive squares in 6 ways, for example, as 2417492224 + 7386714916 = 49168^2 + 85946^2 .

It is a super-2 number, since 2×9804207140² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 9804207140.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 136022 + ... + 195218.

It is an arithmetic number, because the mean of its divisors is an integer number (240136687).

Almost surely, 2^9804207140 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 9804207140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12967381098).

9804207140 is an abundant number, since it is smaller than the sum of its proper divisors (16130555056).

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

9804207140 is a wasteful number, since it uses less digits than its factorization.

9804207140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59246 (or 59224 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 9804207140 is about 99016.1963519100. The cubic root of 9804207140 is about 2140.2811477360.

The spelling of 9804207140 in words is "nine billion, eight hundred four million, two hundred seven thousand, one hundred forty".