19105976048 has 80 divisors (see below), whose sum is σ = 40560903936. Its totient is φ = 8679260160.

The previous prime is 19105976009. The next prime is 19105976059. The reversal of 19105976048 is 84067950191.

It is a junction number, because it is equal to n+sod(n) for n = 19105975987 and 19105976005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3648440 + ... + 3653672.

Almost surely, 2^19105976048 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 19105976048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20280451968).

19105976048 is an abundant number, since it is smaller than the sum of its proper divisors (21454927888).

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

19105976048 is a wasteful number, since it uses less digits than its factorization.

19105976048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722 (or 5716 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 19105976048 in words is "nineteen billion, one hundred five million, nine hundred seventy-six thousand, forty-eight".