19627112444 has 12 divisors (see below), whose sum is σ = 34348855464. Its totient is φ = 9813153744.

The previous prime is 19627112443. The next prime is 19627112447. The reversal of 19627112444 is 44421172691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19627112443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27122 + ... + 199974.

It is an arithmetic number, because the mean of its divisors is an integer number (2862404622).

Almost surely, 2^19627112444 is an apocalyptic number.

It is an amenable number.

19627112444 is a deficient number, since it is larger than the sum of its proper divisors (14721743020).

19627112444 is a wasteful number, since it uses less digits than its factorization.

19627112444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201244 (or 201242 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The spelling of 19627112444 in words is "nineteen billion, six hundred twenty-seven million, one hundred twelve thousand, four hundred forty-four".