8484843840 has 224 divisors, whose sum is σ = 30337597440. Its totient is φ = 1990502400.

The previous prime is 8484843827. The next prime is 8484843847. The reversal of 8484843840 is 483484848.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8484843847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314401 + ... + 340319.

Almost surely, 2^8484843840 is an apocalyptic number.

8484843840 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 8484843840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15168798720).

8484843840 is an abundant number, since it is smaller than the sum of its proper divisors (21852753600).

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

8484843840 is a wasteful number, since it uses less digits than its factorization.

8484843840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25981 (or 25971 counting only the distinct ones).

The product of its (nonzero) digits is 3145728, while the sum is 51.

The square root of 8484843840 is about 92113.2120816553. The cubic root of 8484843840 is about 2039.6138446325.

The spelling of 8484843840 in words is "eight billion, four hundred eighty-four million, eight hundred forty-three thousand, eight hundred forty".