18200508088 has 128 divisors (see below), whose sum is σ = 40825169280. Its totient is φ = 7445053440.

The previous prime is 18200508043. The next prime is 18200508103. The reversal of 18200508088 is 88080500281.

It is a super-2 number, since 2×18200508088² (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 18200508088.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27534478 + ... + 27535138.

It is an arithmetic number, because the mean of its divisors is an integer number (318946635).

Almost surely, 2^18200508088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18200508088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20412584640).

18200508088 is an abundant number, since it is smaller than the sum of its proper divisors (22624661192).

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

18200508088 is a wasteful number, since it uses less digits than its factorization.

18200508088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 40.

The spelling of 18200508088 in words is "eighteen billion, two hundred million, five hundred eight thousand, eighty-eight".