18869424000 has 512 divisors, whose sum is σ = 72405964800. Its totient is φ = 4257792000.

The previous prime is 18869423983. The next prime is 18869424011. The reversal of 18869424000 is 42496881.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29903685 + ... + 29904315.

It is an arithmetic number, because the mean of its divisors is an integer number (141417900).

Almost surely, 2^18869424000 is an apocalyptic number.

18869424000 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 18869424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36202982400).

18869424000 is an abundant number, since it is smaller than the sum of its proper divisors (53536540800).

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

18869424000 is an equidigital number, since it uses as much as digits as its factorization.

18869424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 18869424000 in words is "eighteen billion, eight hundred sixty-nine million, four hundred twenty-four thousand".