18332350008 has 384 divisors, whose sum is σ = 58136279040. Its totient is φ = 4790016000.

The previous prime is 18332349989. The next prime is 18332350019. The reversal of 18332350008 is 80005323381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 67646913 + ... + 67647183.

It is an arithmetic number, because the mean of its divisors is an integer number (151396560).

Almost surely, 2^18332350008 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 18332350008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29068139520).

18332350008 is an abundant number, since it is smaller than the sum of its proper divisors (39803929032).

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

18332350008 is a wasteful number, since it uses less digits than its factorization.

18332350008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 18332350008 its reverse (80005323381), we get a palindrome (98337673389).

The spelling of 18332350008 in words is "eighteen billion, three hundred thirty-two million, three hundred fifty thousand, eight".