6836040198405 has 160 divisors (see below), whose sum is σ = 13804322070528. Its totient is φ = 3206403273600.

The previous prime is 6836040198301. The next prime is 6836040198413. The reversal of 6836040198405 is 5048910406386.

6836040198405 is a `hidden beast` number, since 6 + 8 + 3 + 6 + 0 + 40 + 198 + 405 = 666.

It is not a de Polignac number, because 6836040198405 - 2¹¹ = 6836040196357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 498137874 + ... + 498151596.

Almost surely, 2^{6836040198405} is an apocalyptic number.

It is an amenable number.

6836040198405 is an abundant number, since it is smaller than the sum of its proper divisors (6968281872123).

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

6836040198405 is a wasteful number, since it uses less digits than its factorization.

6836040198405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17389 (or 17380 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 6836040198405 in words is "six trillion, eight hundred thirty-six billion, forty million, one hundred ninety-eight thousand, four hundred five".