18042725772288 has 198 divisors, whose sum is σ = 60603773140716. Its totient is φ = 5155064377344.

The previous prime is 18042725772287. The next prime is 18042725772353. The reversal of 18042725772288 is 88227752724081.

It is a happy number.

18042725772288 is a `hidden beast` number, since 1 + 80 + 4 + 27 + 257 + 7 + 2 + 288 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (18042725772287) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19525570 + ... + 20428737.

Almost surely, 2^{18042725772288} is an apocalyptic number.

18042725772288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18042725772288 is an abundant number, since it is smaller than the sum of its proper divisors (42561047368428).

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

18042725772288 is a wasteful number, since it uses less digits than its factorization.

18042725772288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39954347 (or 39954319 counting only the distinct ones).

The product of its (nonzero) digits is 56197120, while the sum is 63.

The spelling of 18042725772288 in words is "eighteen trillion, forty-two billion, seven hundred twenty-five million, seven hundred seventy-two thousand, two hundred eighty-eight".