19349226800 has 60 divisors (see below), whose sum is σ = 46540130616. Its totient is φ = 7730764800.

The previous prime is 19349226797. The next prime is 19349226811. The reversal of 19349226800 is 862294391.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324947 + ... + 379853.

Almost surely, 2^19349226800 is an apocalyptic number.

19349226800 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 19349226800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23270065308).

19349226800 is an abundant number, since it is smaller than the sum of its proper divisors (27190903816).

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

19349226800 is a wasteful number, since it uses less digits than its factorization.

19349226800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55806 (or 55795 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 19349226800 in words is "nineteen billion, three hundred forty-nine million, two hundred twenty-six thousand, eight hundred".