8449567056 has 240 divisors, whose sum is σ = 28303099200. Its totient is φ = 2406475008.

The previous prime is 8449567031. The next prime is 8449567067. The reversal of 8449567056 is 6507659448.

8449567056 is a `hidden beast` number, since 84 + 495 + 6 + 70 + 5 + 6 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 8449566993 and 8449567011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11917230 + ... + 11917938.

It is an arithmetic number, because the mean of its divisors is an integer number (117929580).

Almost surely, 2^8449567056 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 8449567056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14151549600).

8449567056 is an abundant number, since it is smaller than the sum of its proper divisors (19853532144).

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

8449567056 is a wasteful number, since it uses less digits than its factorization.

8449567056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The square root of 8449567056 is about 91921.5266191766. The cubic root of 8449567056 is about 2036.7832695336.

The spelling of 8449567056 in words is "eight billion, four hundred forty-nine million, five hundred sixty-seven thousand, fifty-six".