19025004388 has 24 divisors (see below), whose sum is σ = 35929716480. Its totient is φ = 8762428320.

The previous prime is 19025004379. The next prime is 19025004413. The reversal of 19025004388 is 88340052091.

It is a self number, because there is not a number n which added to its sum of digits gives 19025004388.

It is an unprimeable number.

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, 356998 + ... + 406813.

It is an arithmetic number, because the mean of its divisors is an integer number (1497071520).

Almost surely, 2^19025004388 is an apocalyptic number.

It is an amenable number.

19025004388 is a deficient number, since it is larger than the sum of its proper divisors (16904712092).

19025004388 is a wasteful number, since it uses less digits than its factorization.

19025004388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764307 (or 764305 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 19025004388 in words is "nineteen billion, twenty-five million, four thousand, three hundred eighty-eight".