8416518444 has 18 divisors (see below), whose sum is σ = 21275088380. Its totient is φ = 2805506136.

The previous prime is 8416518421. The next prime is 8416518469. The reversal of 8416518444 is 4448156148.

8416518444 is a `hidden beast` number, since 84 + 16 + 518 + 4 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×8416518444² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8416518444.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116896054 + ... + 116896125.

Almost surely, 2^8416518444 is an apocalyptic number.

It is an amenable number.

8416518444 is an abundant number, since it is smaller than the sum of its proper divisors (12858569936).

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

8416518444 is a wasteful number, since it uses less digits than its factorization.

8416518444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233792189 (or 233792184 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 8416518444 is about 91741.5851400007. The cubic root of 8416518444 is about 2034.1243241881.

The spelling of 8416518444 in words is "eight billion, four hundred sixteen million, five hundred eighteen thousand, four hundred forty-four".