8448666120 has 320 divisors, whose sum is σ = 30289794480. Its totient is φ = 2104786944.

The previous prime is 8448666113. The next prime is 8448666131. The reversal of 8448666120 is 216668448.

It can be written as a sum of positive squares in 8 ways, for example, as 6133709124 + 2314956996 = 78318^2 + 48114^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8647072 + ... + 8648048.

Almost surely, 2^8448666120 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 8448666120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15144897240).

8448666120 is an abundant number, since it is smaller than the sum of its proper divisors (21841128360).

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

8448666120 is a wasteful number, since it uses less digits than its factorization.

8448666120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 8448666120 is about 91916.6259171865. The cubic root of 8448666120 is about 2036.7108762152.

The spelling of 8448666120 in words is "eight billion, four hundred forty-eight million, six hundred sixty-six thousand, one hundred twenty".