19139333080 has 128 divisors (see below), whose sum is σ = 51908313600. Its totient is φ = 6204377088.

The previous prime is 19139333051. The next prime is 19139333093. The reversal of 19139333080 is 8033393191.

It is a Harshad number since it is a multiple of its sum of digits (40).

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 31 ways as a sum of consecutive naturals, for example, 2906752 + ... + 2913328.

It is an arithmetic number, because the mean of its divisors is an integer number (405533700).

Almost surely, 2^19139333080 is an apocalyptic number.

19139333080 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 19139333080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25954156800).

19139333080 is an abundant number, since it is smaller than the sum of its proper divisors (32768980520).

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

19139333080 is a wasteful number, since it uses less digits than its factorization.

19139333080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7161 (or 7157 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The spelling of 19139333080 in words is "nineteen billion, one hundred thirty-nine million, three hundred thirty-three thousand, eighty".