19050202128 has 80 divisors (see below), whose sum is σ = 50214375360. Its totient is φ = 6221210112.

The previous prime is 19050202069. The next prime is 19050202139. The reversal of 19050202128 is 82120205091.

It is a super-2 number, since 2×19050202128² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19050202095 and 19050202104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1874950 + ... + 1885082.

It is an arithmetic number, because the mean of its divisors is an integer number (627679692).

Almost surely, 2^19050202128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19050202128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25107187680).

19050202128 is an abundant number, since it is smaller than the sum of its proper divisors (31164173232).

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

19050202128 is a wasteful number, since it uses less digits than its factorization.

19050202128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10936 (or 10930 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The spelling of 19050202128 in words is "nineteen billion, fifty million, two hundred two thousand, one hundred twenty-eight".