19159418000 has 40 divisors (see below), whose sum is σ = 46327477560. Its totient is φ = 7663766400.

The previous prime is 19159417987. The next prime is 19159418027. The reversal of 19159418000 is 81495191.

It can be written as a sum of positive squares in 4 ways, for example, as 106584976 + 19052833024 = 10324^2 + 138032^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 4787855 + ... + 4791854.

It is an arithmetic number, because the mean of its divisors is an integer number (1158186939).

Almost surely, 2^19159418000 is an apocalyptic number.

19159418000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19159418000 is an abundant number, since it is smaller than the sum of its proper divisors (27168059560).

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

19159418000 is an equidigital number, since it uses as much as digits as its factorization.

19159418000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9579732 (or 9579716 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 38.

The spelling of 19159418000 in words is "nineteen billion, one hundred fifty-nine million, four hundred eighteen thousand".