19428934176 has 72 divisors (see below), whose sum is σ = 55264809600. Its totient is φ = 6474696576.

The previous prime is 19428934169. The next prime is 19428934181. The reversal of 19428934176 is 67143982491.

19428934176 is a `hidden beast` number, since 19 + 4 + 289 + 341 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1895401 + ... + 1905623.

It is an arithmetic number, because the mean of its divisors is an integer number (767566800).

Almost surely, 2^19428934176 is an apocalyptic number.

19428934176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19428934176 is an abundant number, since it is smaller than the sum of its proper divisors (35835875424).

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

19428934176 is a wasteful number, since it uses less digits than its factorization.

19428934176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16838 (or 16827 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The spelling of 19428934176 in words is "nineteen billion, four hundred twenty-eight million, nine hundred thirty-four thousand, one hundred seventy-six".