19092843072 has 140 divisors (see below), whose sum is σ = 59926689900. Its totient is φ = 5989883904.

The previous prime is 19092843067. The next prime is 19092843079. The reversal of 19092843072 is 27034829091.

19092843072 is a `hidden beast` number, since 190 + 9 + 28 + 430 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7304095296 + 11788747776 = 85464^2 + 108576^2 .

It is not an unprimeable number, because it can be changed into a prime (19092843079) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20197 + ... + 196452.

It is an arithmetic number, because the mean of its divisors is an integer number (428047785).

Almost surely, 2^19092843072 is an apocalyptic number.

19092843072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19092843072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29963344950).

19092843072 is an abundant number, since it is smaller than the sum of its proper divisors (40833846828).

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

19092843072 is a wasteful number, since it uses less digits than its factorization.

19092843072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216690 (or 216671 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 19092843072 in words is "nineteen billion, ninety-two million, eight hundred forty-three thousand, seventy-two".