8144992994418 has 48 divisors (see below), whose sum is σ = 20204763508800. Its totient is φ = 2322962844768.

The previous prime is 8144992994377. The next prime is 8144992994423.

8144992994418 is a `hidden beast` number, since 8 + 1 + 4 + 4 + 9 + 92 + 99 + 441 + 8 = 666.

8144992994418 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57957468 + ... + 58097831.

It is an arithmetic number, because the mean of its divisors is an integer number (420932573100).

Almost surely, 2^{8144992994418} is an apocalyptic number.

8144992994418 is an abundant number, since it is smaller than the sum of its proper divisors (12059770514382).

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

8144992994418 is a wasteful number, since it uses less digits than its factorization.

8144992994418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116055871 (or 116055868 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 72.

The spelling of 8144992994418 in words is "eight trillion, one hundred forty-four billion, nine hundred ninety-two million, nine hundred ninety-four thousand, four hundred eighteen".