18073640088 has 192 divisors, whose sum is σ = 58046976000. Its totient is φ = 4971352320.

The previous prime is 18073640087. The next prime is 18073640089. The reversal of 18073640088 is 88004637081.

It is an interprime number because it is at equal distance from previous prime (18073640087) and next prime (18073640089).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18073640087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3106270 + ... + 3112082.

It is an arithmetic number, because the mean of its divisors is an integer number (302328000).

Almost surely, 2^18073640088 is an apocalyptic number.

18073640088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18073640088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29023488000).

18073640088 is an abundant number, since it is smaller than the sum of its proper divisors (39973335912).

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

18073640088 is a wasteful number, since it uses less digits than its factorization.

18073640088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062 (or 6055 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 18073640088 in words is "eighteen billion, seventy-three million, six hundred forty thousand, eighty-eight".