19380270000 has 800 divisors, whose sum is σ = 79830446080. Its totient is φ = 3939840000.

The previous prime is 19380269989. The next prime is 19380270029. The reversal of 19380270000 is 7208391.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 19380270000.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 84629886 + ... + 84630114.

Almost surely, 2^19380270000 is an apocalyptic number.

19380270000 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 19380270000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39915223040).

19380270000 is an abundant number, since it is smaller than the sum of its proper divisors (60450176080).

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

19380270000 is a wasteful number, since it uses less digits than its factorization.

19380270000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

Adding to 19380270000 its reverse (7208391), we get a palindrome (19387478391).

The spelling of 19380270000 in words is "nineteen billion, three hundred eighty million, two hundred seventy thousand".