19076728500 has 384 divisors, whose sum is σ = 66081899520. Its totient is φ = 4734720000.

The previous prime is 19076728477. The next prime is 19076728543. The reversal of 19076728500 is 582767091.

19076728500 is a `hidden beast` number, since 1 + 9 + 0 + 76 + 72 + 8 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 23179089 + ... + 23179911.

It is an arithmetic number, because the mean of its divisors is an integer number (172088280).

Almost surely, 2^19076728500 is an apocalyptic number.

19076728500 is a gapful number since it is divisible by the number (10) 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 19076728500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33040949760).

19076728500 is an abundant number, since it is smaller than the sum of its proper divisors (47005171020).

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

19076728500 is a wasteful number, since it uses less digits than its factorization.

19076728500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 19076728500 in words is "nineteen billion, seventy-six million, seven hundred twenty-eight thousand, five hundred".