18064042797888 has 140 divisors (see below), whose sum is σ = 53751088453920. Its totient is φ = 5998452288768.

The previous prime is 18064042797859. The next prime is 18064042797901. The reversal of 18064042797888 is 88879724046081.

18064042797888 is a `hidden beast` number, since 1 + 8 + 0 + 6 + 404 + 2 + 79 + 78 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5261278 + ... + 7988061.

Almost surely, 2^{18064042797888} is an apocalyptic number.

18064042797888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18064042797888 is an abundant number, since it is smaller than the sum of its proper divisors (35687045656032).

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

18064042797888 is a wasteful number, since it uses less digits than its factorization.

18064042797888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13249626 (or 13249607 counting only the distinct ones).

The product of its (nonzero) digits is 346816512, while the sum is 72.

The spelling of 18064042797888 in words is "eighteen trillion, sixty-four billion, forty-two million, seven hundred ninety-seven thousand, eight hundred eighty-eight".