8494555648 has 160 divisors (see below), whose sum is σ = 18886134960. Its totient is φ = 3798466560.

The previous prime is 8494555609. The next prime is 8494555673. The reversal of 8494555648 is 8465554948.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5108246784 + 3386308864 = 71472^2 + 58192^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a junction number, because it is equal to n+sod(n) for n = 8494555592 and 8494555601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18426138 + ... + 18426598.

Almost surely, 2^8494555648 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 8494555648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9443067480).

8494555648 is an abundant number, since it is smaller than the sum of its proper divisors (10391579312).

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

8494555648 is a wasteful number, since it uses less digits than its factorization.

8494555648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 582 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 58.

The square root of 8494555648 is about 92165.9136991545. The cubic root of 8494555648 is about 2040.3917330511.

The spelling of 8494555648 in words is "eight billion, four hundred ninety-four million, five hundred fifty-five thousand, six hundred forty-eight".