18235935000 has 280 divisors, whose sum is σ = 64073692980. Its totient is φ = 4861944000.

The previous prime is 18235934971. The next prime is 18235935001. The reversal of 18235935000 is 53953281.

18235935000 is a `hidden beast` number, since 18 + 2 + 3 + 593 + 50 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18235935001) by changing a digit.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 3642499 + ... + 3647501.

Almost surely, 2^18235935000 is an apocalyptic number.

18235935000 is a gapful number since it is divisible by the number (10) 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 18235935000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32036846490).

18235935000 is an abundant number, since it is smaller than the sum of its proper divisors (45837757980).

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

18235935000 is an frugal number, since it uses more digits than its factorization.

18235935000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5047 (or 5013 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 18235935000 in words is "eighteen billion, two hundred thirty-five million, nine hundred thirty-five thousand".