19002038112 has 144 divisors (see below), whose sum is σ = 55093409280. Its totient is φ = 6211296000.

The previous prime is 19002038057. The next prime is 19002038129. The reversal of 19002038112 is 21183020091.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×19002038112² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3432787 + ... + 3438317.

It is an arithmetic number, because the mean of its divisors is an integer number (382593120).

Almost surely, 2^19002038112 is an apocalyptic number.

19002038112 is a gapful number since it is divisible by the number (12) 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 19002038112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27546704640).

19002038112 is an abundant number, since it is smaller than the sum of its proper divisors (36091371168).

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

19002038112 is a wasteful number, since it uses less digits than its factorization.

19002038112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777 (or 5766 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 19002038112 in words is "nineteen billion, two million, thirty-eight thousand, one hundred twelve".