8849917440 has 1200 divisors, whose sum is σ = 40301764272. Its totient is φ = 1839366144.

The previous prime is 8849917429. The next prime is 8849917441. The reversal of 8849917440 is 447199488.

8849917440 is a `hidden beast` number, since 88 + 499 + 1 + 74 + 4 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8849917441) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 132088287 + ... + 132088353.

Almost surely, 2^8849917440 is an apocalyptic number.

8849917440 is a gapful number since it is divisible by the number (80) 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 8849917440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20150882136).

8849917440 is an abundant number, since it is smaller than the sum of its proper divisors (31451846832).

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

8849917440 is a wasteful number, since it uses less digits than its factorization.

8849917440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 8849917440 is about 94073.9998086613. Note that the first 3 decimals coincide. The cubic root of 8849917440 is about 2068.4565684406.

The spelling of 8849917440 in words is "eight billion, eight hundred forty-nine million, nine hundred seventeen thousand, four hundred forty".