19368284448 has 48 divisors (see below), whose sum is σ = 53517633120. Its totient is φ = 6116299776.

The previous prime is 19368284431. The next prime is 19368284449. The reversal of 19368284448 is 84448286391.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (19368284449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5307465 + ... + 5311112.

It is an arithmetic number, because the mean of its divisors is an integer number (1114950690).

Almost surely, 2^19368284448 is an apocalyptic number.

It is an amenable number.

19368284448 is an abundant number, since it is smaller than the sum of its proper divisors (34149348672).

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

19368284448 is a wasteful number, since it uses less digits than its factorization.

19368284448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10618609 (or 10618601 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 57.

The spelling of 19368284448 in words is "nineteen billion, three hundred sixty-eight million, two hundred eighty-four thousand, four hundred forty-eight".