19076227728 has 20 divisors (see below), whose sum is σ = 49280255088. Its totient is φ = 6358742560.

The previous prime is 19076227721. The next prime is 19076227733. The reversal of 19076227728 is 82772267091.

It is not an unprimeable number, because it can be changed into a prime (19076227721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198710658 + ... + 198710753.

Almost surely, 2^19076227728 is an apocalyptic number.

It is an amenable number.

19076227728 is an abundant number, since it is smaller than the sum of its proper divisors (30204027360).

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

19076227728 is a wasteful number, since it uses less digits than its factorization.

19076227728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397421422 (or 397421416 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 51.

The spelling of 19076227728 in words is "nineteen billion, seventy-six million, two hundred twenty-seven thousand, seven hundred twenty-eight".