19044200000 has 336 divisors, whose sum is σ = 55114472448. Its totient is φ = 6393600000.

The previous prime is 19044199991. The next prime is 19044200051. The reversal of 19044200000 is 244091.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85399889 + ... + 85400111.

It is an arithmetic number, because the mean of its divisors is an integer number (164031168).

Almost surely, 2^19044200000 is an apocalyptic number.

19044200000 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 19044200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27557236224).

19044200000 is an abundant number, since it is smaller than the sum of its proper divisors (36070272448).

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

19044200000 is an frugal number, since it uses more digits than its factorization.

19044200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 19044200000 its reverse (244091), we get a palindrome (19044444091).

The spelling of 19044200000 in words is "nineteen billion, forty-four million, two hundred thousand".