8444518456 has 16 divisors (see below), whose sum is σ = 17272878840. Its totient is φ = 3838417440.

The previous prime is 8444518447. The next prime is 8444518457. The reversal of 8444518456 is 6548154448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8444518457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47980131 + ... + 47980306.

Almost surely, 2^8444518456 is an apocalyptic number.

It is an amenable number.

8444518456 is an abundant number, since it is smaller than the sum of its proper divisors (8828360384).

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

8444518456 is a wasteful number, since it uses less digits than its factorization.

8444518456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95960454 (or 95960450 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 49.

The square root of 8444518456 is about 91894.0610485792. The cubic root of 8444518456 is about 2036.3775306899.

The spelling of 8444518456 in words is "eight billion, four hundred forty-four million, five hundred eighteen thousand, four hundred fifty-six".