8648597440 has 112 divisors (see below), whose sum is σ = 23681935872. Its totient is φ = 2946917376.

The previous prime is 8648597437. The next prime is 8648597453. The reversal of 8648597440 is 447958468.

It is a happy number.

8648597440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 353277 + ... + 376963.

It is an arithmetic number, because the mean of its divisors is an integer number (211445856).

Almost surely, 2^8648597440 is an apocalyptic number.

8648597440 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 8648597440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11840967936).

8648597440 is an abundant number, since it is smaller than the sum of its proper divisors (15033338432).

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

8648597440 is a wasteful number, since it uses less digits than its factorization.

8648597440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23874 (or 23864 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The square root of 8648597440 is about 92997.8356737403. The cubic root of 8648597440 is about 2052.6515314734.

The spelling of 8648597440 in words is "eight billion, six hundred forty-eight million, five hundred ninety-seven thousand, four hundred forty".