19040682368 has 32 divisors (see below), whose sum is σ = 37939206000. Its totient is φ = 9518685696.

The previous prime is 19040682341. The next prime is 19040682373. The reversal of 19040682368 is 86328604091.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1095893 + ... + 1113131.

Almost surely, 2^19040682368 is an apocalyptic number.

It is an amenable number.

19040682368 is a deficient number, since it is larger than the sum of its proper divisors (18898523632).

19040682368 is an equidigital number, since it uses as much as digits as its factorization.

19040682368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25882 (or 25870 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 19040682368 in words is "nineteen billion, forty million, six hundred eighty-two thousand, three hundred sixty-eight".