19976584488 has 128 divisors (see below), whose sum is σ = 58681808640. Its totient is φ = 5548032000.

The previous prime is 19976584483. The next prime is 19976584499. The reversal of 19976584488 is 88448567991.

It is not an unprimeable number, because it can be changed into a prime (19976584483) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1930368 + ... + 1940688.

It is an arithmetic number, because the mean of its divisors is an integer number (458451630).

Almost surely, 2^19976584488 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 19976584488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29340904320).

19976584488 is an abundant number, since it is smaller than the sum of its proper divisors (38705224152).

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

19976584488 is a wasteful number, since it uses less digits than its factorization.

19976584488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10659 (or 10655 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 69.

The spelling of 19976584488 in words is "nineteen billion, nine hundred seventy-six million, five hundred eighty-four thousand, four hundred eighty-eight".