8448640560 has 60 divisors (see below), whose sum is σ = 28373353632. Its totient is φ = 2252970624.

The previous prime is 8448640553. The next prime is 8448640561. The reversal of 8448640560 is 650468448.

8448640560 is a `hidden beast` number, since 8 + 4 + 4 + 86 + 4 + 0 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×8448640560² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (8448640561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5866392 + ... + 5867831.

Almost surely, 2^8448640560 is an apocalyptic number.

8448640560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8448640560 is an abundant number, since it is smaller than the sum of its proper divisors (19924713072).

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

8448640560 is a wasteful number, since it uses less digits than its factorization.

8448640560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11734242 (or 11734233 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The square root of 8448640560 is about 91916.4868780351. The cubic root of 8448640560 is about 2036.7088223058.

The spelling of 8448640560 in words is "eight billion, four hundred forty-eight million, six hundred forty thousand, five hundred sixty".