18119424000 has 192 divisors, whose sum is σ = 60289276320. Its totient is φ = 4831641600.

The previous prime is 18119423981. The next prime is 18119424053. The reversal of 18119424000 is 42491181.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 756204 + ... + 779796.

Almost surely, 2^18119424000 is an apocalyptic number.

18119424000 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 18119424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30144638160).

18119424000 is an abundant number, since it is smaller than the sum of its proper divisors (42169852320).

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

18119424000 is an equidigital number, since it uses as much as digits as its factorization.

18119424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23633 (or 23603 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 18119424000 in words is "eighteen billion, one hundred nineteen million, four hundred twenty-four thousand".