19428383232 has 240 divisors, whose sum is σ = 57860225280. Its totient is φ = 6272557056.

The previous prime is 19428383213. The next prime is 19428383297. The reversal of 19428383232 is 23238382491.

19428383232 is a `hidden beast` number, since 19 + 4 + 28 + 383 + 232 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23606373 + ... + 23607195.

It is an arithmetic number, because the mean of its divisors is an integer number (241084272).

Almost surely, 2^19428383232 is an apocalyptic number.

19428383232 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 19428383232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28930112640).

19428383232 is an abundant number, since it is smaller than the sum of its proper divisors (38431842048).

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

19428383232 is a wasteful number, since it uses less digits than its factorization.

19428383232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 984 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 19428383232 in words is "nineteen billion, four hundred twenty-eight million, three hundred eighty-three thousand, two hundred thirty-two".