8455220989464 has 16 divisors (see below), whose sum is σ = 21138052473720. Its totient is φ = 2818406996480.

The previous prime is 8455220989459. The next prime is 8455220989483. The reversal of 8455220989464 is 4649890225548.

It is a junction number, because it is equal to n+sod(n) for n = 8455220989395 and 8455220989404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176150437257 + ... + 176150437304.

Almost surely, 2^{8455220989464} is an apocalyptic number.

It is an amenable number.

8455220989464 is an abundant number, since it is smaller than the sum of its proper divisors (12682831484256).

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

8455220989464 is a wasteful number, since it uses less digits than its factorization.

8455220989464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352300874570 (or 352300874566 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 66.

The spelling of 8455220989464 in words is "eight trillion, four hundred fifty-five billion, two hundred twenty million, nine hundred eighty-nine thousand, four hundred sixty-four".