6840801838 has 32 divisors (see below), whose sum is σ = 11762906400. Its totient is φ = 2957492736.

The previous prime is 6840801833. The next prime is 6840801871. The reversal of 6840801838 is 8381080486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840801833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33831 + ... + 121762.

It is an arithmetic number, because the mean of its divisors is an integer number (367590825).

Almost surely, 2^6840801838 is an apocalyptic number.

6840801838 is a deficient number, since it is larger than the sum of its proper divisors (4922104562).

6840801838 is a wasteful number, since it uses less digits than its factorization.

6840801838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155716.

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 6840801838 is about 82709.1399906927. The cubic root of 6840801838 is about 1898.3181643492.

The spelling of 6840801838 in words is "six billion, eight hundred forty million, eight hundred one thousand, eight hundred thirty-eight".