19113740800 has 720 divisors, whose sum is σ = 62356383936. Its totient is φ = 5677056000.

The previous prime is 19113740777. The next prime is 19113740801. The reversal of 19113740800 is 804731191.

It is not an unprimeable number, because it can be changed into a prime (19113740801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 444505579 + ... + 444505621.

Almost surely, 2^19113740800 is an apocalyptic number.

19113740800 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 19113740800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31178191968).

19113740800 is an abundant number, since it is smaller than the sum of its proper divisors (43242643136).

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

19113740800 is a wasteful number, since it uses less digits than its factorization.

19113740800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 19113740800 in words is "nineteen billion, one hundred thirteen million, seven hundred forty thousand, eight hundred".