19044377088 has 80 divisors (see below), whose sum is σ = 55347770016. Its totient is φ = 5771018240.

The previous prime is 19044377087. The next prime is 19044377117. The reversal of 19044377088 is 88077344091.

It is a self number, because there is not a number n which added to its sum of digits gives 19044377088.

It is not an unprimeable number, because it can be changed into a prime (19044377087) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 546681 + ... + 580472.

Almost surely, 2^19044377088 is an apocalyptic number.

It is an amenable number.

19044377088 is an abundant number, since it is smaller than the sum of its proper divisors (36303392928).

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

19044377088 is a wasteful number, since it uses less digits than its factorization.

19044377088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127185 (or 1127169 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 19044377088 in words is "nineteen billion, forty-four million, three hundred seventy-seven thousand, eighty-eight".