19282123432 has 96 divisors (see below), whose sum is σ = 44272960200. Its totient is φ = 7811274240.

The previous prime is 19282123327. The next prime is 19282123433. The reversal of 19282123432 is 23432128291.

It can be written as a sum of positive squares in 4 ways, for example, as 6579480996 + 12702642436 = 81114^2 + 112706^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19282123391 and 19282123400.

It is not an unprimeable number, because it can be changed into a prime (19282123433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338518 + ... + 391354.

Almost surely, 2^19282123432 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 19282123432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22136480100).

19282123432 is an abundant number, since it is smaller than the sum of its proper divisors (24990836768).

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

19282123432 is a wasteful number, since it uses less digits than its factorization.

19282123432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52907 (or 52892 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The spelling of 19282123432 in words is "nineteen billion, two hundred eighty-two million, one hundred twenty-three thousand, four hundred thirty-two".