19831208448 has 40 divisors (see below), whose sum is σ = 52831582848. Its totient is φ = 6610402304.

The previous prime is 19831208437. The next prime is 19831208477. The reversal of 19831208448 is 84480213891.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 19831208397 and 19831208406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6453936 + ... + 6457007.

Almost surely, 2^19831208448 is an apocalyptic number.

It is an amenable number.

19831208448 is an abundant number, since it is smaller than the sum of its proper divisors (33000374400).

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

19831208448 is an equidigital number, since it uses as much as digits as its factorization.

19831208448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12910964 (or 12910948 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 19831208448 in words is "nineteen billion, eight hundred thirty-one million, two hundred eight thousand, four hundred forty-eight".