8669445120 has 1056 divisors, whose sum is σ = 38610677760. Its totient is φ = 1804861440.

The previous prime is 8669445097. The next prime is 8669445139. The reversal of 8669445120 is 215449668.

8669445120 is a `hidden beast` number, since 86 + 6 + 9 + 445 + 120 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 279659505 + ... + 279659535.

Almost surely, 2^8669445120 is an apocalyptic number.

8669445120 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 8669445120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19305338880).

8669445120 is an abundant number, since it is smaller than the sum of its proper divisors (29941232640).

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

8669445120 is a wasteful number, since it uses less digits than its factorization.

8669445120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 8669445120 is about 93109.8551174901. The cubic root of 8669445120 is about 2054.2995321643.

The spelling of 8669445120 in words is "eight billion, six hundred sixty-nine million, four hundred forty-five thousand, one hundred twenty".