8455866496 has 128 divisors (see below), whose sum is σ = 21432240000. Its totient is φ = 3294305280.

The previous prime is 8455866431. The next prime is 8455866539. The reversal of 8455866496 is 6946685548.

It is a tau number, because it is divible by the number of its divisors (128).

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, 474190 + ... + 491698.

It is an arithmetic number, because the mean of its divisors is an integer number (167439375).

Almost surely, 2^8455866496 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 8455866496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10716120000).

8455866496 is an abundant number, since it is smaller than the sum of its proper divisors (12976373504).

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

8455866496 is a wasteful number, since it uses less digits than its factorization.

8455866496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17555 (or 17529 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 61.

The square root of 8455866496 is about 91955.7855493606. The cubic root of 8455866496 is about 2037.2893075623.

The spelling of 8455866496 in words is "eight billion, four hundred fifty-five million, eight hundred sixty-six thousand, four hundred ninety-six".