19040010072196 has 27 divisors (see below), whose sum is σ = 33748350905829. Its totient is φ = 9399158291328.

The previous prime is 19040010072191. The next prime is 19040010072299. The reversal of 19040010072196 is 69127001004091.

The square root of 19040010072196 is 4363486.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 12407732100 + 19027602340096 = 111390^2 + 4362064^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19040010072191) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 689416980 + ... + 689444596.

Almost surely, 2^{19040010072196} is an apocalyptic number.

19040010072196 is the 4363486-th square number.

It is an amenable number.

19040010072196 is a deficient number, since it is larger than the sum of its proper divisors (14708340833633).

19040010072196 is an frugal number, since it uses more digits than its factorization.

19040010072196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55396 (or 27698 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 19040010072196 in words is "nineteen trillion, forty billion, ten million, seventy-two thousand, one hundred ninety-six".