8380040828105 has 4 divisors (see below), whose sum is σ = 10056048993732. Its totient is φ = 6704032662480.

The previous prime is 8380040828087. The next prime is 8380040828153. The reversal of 8380040828105 is 5018280400838.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6391633436224 + 1988407391881 = 2528168^2 + 1410109^2 .

It is not a de Polignac number, because 8380040828105 - 2³⁶ = 8311321351369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8380040828105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838004082806 + ... + 838004082815.

It is an arithmetic number, because the mean of its divisors is an integer number (2514012248433).

Almost surely, 2^{8380040828105} is an apocalyptic number.

It is an amenable number.

8380040828105 is a deficient number, since it is larger than the sum of its proper divisors (1676008165627).

8380040828105 is a wasteful number, since it uses less digits than its factorization.

8380040828105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676008165626.

The product of its (nonzero) digits is 491520, while the sum is 47.

The spelling of 8380040828105 in words is "eight trillion, three hundred eighty billion, forty million, eight hundred twenty-eight thousand, one hundred five".