19124470848 has 224 divisors, whose sum is σ = 61219445760. Its totient is φ = 5152573440.

The previous prime is 19124470823. The next prime is 19124470853. The reversal of 19124470848 is 84807442191.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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 = 19124470797 and 19124470806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1670263 + ... + 1681673.

Almost surely, 2^19124470848 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 19124470848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30609722880).

19124470848 is an abundant number, since it is smaller than the sum of its proper divisors (42094974912).

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

19124470848 is a wasteful number, since it uses less digits than its factorization.

19124470848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11505 (or 11495 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 19124470848 in words is "nineteen billion, one hundred twenty-four million, four hundred seventy thousand, eight hundred forty-eight".