19044934064 has 40 divisors (see below), whose sum is σ = 39802660800. Its totient is φ = 8775664128.

The previous prime is 19044934057. The next prime is 19044934091. The reversal of 19044934064 is 46043944091.

It is a super-3 number, since 3×19044934064³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54137 + ... + 202535.

It is an arithmetic number, because the mean of its divisors is an integer number (995066520).

Almost surely, 2^19044934064 is an apocalyptic number.

It is an amenable number.

19044934064 is an abundant number, since it is smaller than the sum of its proper divisors (20757726736).

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

19044934064 is a wasteful number, since it uses less digits than its factorization.

19044934064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149037 (or 149031 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 19044934064 in words is "nineteen billion, forty-four million, nine hundred thirty-four thousand, sixty-four".