6842042405 has 48 divisors (see below), whose sum is σ = 9757050240. Its totient is φ = 4586440320.

The previous prime is 6842042387. The next prime is 6842042407. The reversal of 6842042405 is 5042402486.

It is not a de Polignac number, because 6842042405 - 2²⁶ = 6774933541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6842042407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 417272 + ... + 433358.

It is an arithmetic number, because the mean of its divisors is an integer number (203271880).

Almost surely, 2^6842042405 is an apocalyptic number.

It is an amenable number.

6842042405 is a deficient number, since it is larger than the sum of its proper divisors (2915007835).

6842042405 is a wasteful number, since it uses less digits than its factorization.

6842042405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16170 (or 16159 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 6842042405 is about 82716.6392269415. The cubic root of 6842042405 is about 1898.4329095980.

The spelling of 6842042405 in words is "six billion, eight hundred forty-two million, forty-two thousand, four hundred five".