9850440000 has 560 divisors, whose sum is σ = 35193134592. Its totient is φ = 2424576000.

The previous prime is 9850439969. The next prime is 9850440007. The reversal of 9850440000 is 440589.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9850440000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9850440007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 118679959 + ... + 118680041.

Almost surely, 2^9850440000 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 9850440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17596567296).

9850440000 is an abundant number, since it is smaller than the sum of its proper divisors (25342694592).

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

9850440000 is a wasteful number, since it uses less digits than its factorization.

9850440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 9850440000 is about 99249.3828696179. The cubic root of 9850440000 is about 2143.6401202227.

Adding to 9850440000 its reverse (440589), we get a palindrome (9850880589).

The spelling of 9850440000 in words is "nine billion, eight hundred fifty million, four hundred forty thousand".