19000022048 has 90 divisors (see below), whose sum is σ = 44263675071. Its totient is φ = 8004851904.

The previous prime is 19000022039. The next prime is 19000022051. The reversal of 19000022048 is 84022000091.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 9500011024 + 9500011024 = 97468^2 + 97468^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=97468.

It is a super-2 number, since 2×19000022048² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 322034243 + ... + 322034301.

Almost surely, 2^19000022048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19000022048

19000022048 is an abundant number, since it is smaller than the sum of its proper divisors (25263653023).

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

19000022048 is an frugal number, since it uses more digits than its factorization.

19000022048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Multiplying 19000022048 by its product of nonzero digits (1152), we get a square (21888025399296 = 4678464²).

The spelling of 19000022048 in words is "nineteen billion, twenty-two thousand, forty-eight".