9851744448 has 896 divisors, whose sum is σ = 38452592640. Its totient is φ = 2403717120.

The previous prime is 9851744447. The next prime is 9851744453. The reversal of 9851744448 is 8444471589.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 9851744394 and 9851744403.

It is not an unprimeable number, because it can be changed into a prime (9851744447) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 209611561 + ... + 209611607.

It is an arithmetic number, because the mean of its divisors is an integer number (42915840).

Almost surely, 2^9851744448 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 9851744448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19226296320).

9851744448 is an abundant number, since it is smaller than the sum of its proper divisors (28600848192).

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

9851744448 is a wasteful number, since it uses less digits than its factorization.

9851744448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 146 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The square root of 9851744448 is about 99255.9542193817. The cubic root of 9851744448 is about 2143.7347401464.

The spelling of 9851744448 in words is "nine billion, eight hundred fifty-one million, seven hundred forty-four thousand, four hundred forty-eight".