19254324236 has 96 divisors (see below), whose sum is σ = 42987635712. Its totient is φ = 7351787520.

The previous prime is 19254324233. The next prime is 19254324263. The reversal of 19254324236 is 63242345291.

It is a junction number, because it is equal to n+sod(n) for n = 19254324193 and 19254324202.

It is not an unprimeable number, because it can be changed into a prime (19254324233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1052891 + ... + 1071021.

It is an arithmetic number, because the mean of its divisors is an integer number (447787872).

Almost surely, 2^19254324236 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 19254324236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21493817856).

19254324236 is an abundant number, since it is smaller than the sum of its proper divisors (23733311476).

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

19254324236 is a wasteful number, since it uses less digits than its factorization.

19254324236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18279 (or 18277 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The spelling of 19254324236 in words is "nineteen billion, two hundred fifty-four million, three hundred twenty-four thousand, two hundred thirty-six".