19030441768 has 32 divisors (see below), whose sum is σ = 39465425160. Its totient is φ = 8545893120.

The previous prime is 19030441751. The next prime is 19030441769. The reversal of 19030441768 is 86714403091.

It can be written as a sum of positive squares in 4 ways, for example, as 17261229924 + 1769211844 = 131382^2 + 42062^2 .

It is not an unprimeable number, because it can be changed into a prime (19030441769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2468923 + ... + 2476618.

Almost surely, 2^19030441768 is an apocalyptic number.

It is an amenable number.

19030441768 is an abundant number, since it is smaller than the sum of its proper divisors (20434983392).

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

19030441768 is a wasteful number, since it uses less digits than its factorization.

19030441768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945597 (or 4945593 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 19030441768 in words is "nineteen billion, thirty million, four hundred forty-one thousand, seven hundred sixty-eight".