6839364840 has 128 divisors (see below), whose sum is σ = 25581035520. Its totient is φ = 1421164800.

The previous prime is 6839364799. The next prime is 6839364841. The reversal of 6839364840 is 484639386.

It is a happy number.

It is a super-2 number, since 2×6839364840² = 93553822829256451200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6839364841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360856 + ... + 379335.

It is an arithmetic number, because the mean of its divisors is an integer number (199851840).

Almost surely, 2^6839364840 is an apocalyptic number.

6839364840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6839364840 is an abundant number, since it is smaller than the sum of its proper divisors (18741670680).

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

6839364840 is a wasteful number, since it uses less digits than its factorization.

6839364840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740223 (or 740219 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The square root of 6839364840 is about 82700.4524776014. The cubic root of 6839364840 is about 1898.1852330301.

The spelling of 6839364840 in words is "six billion, eight hundred thirty-nine million, three hundred sixty-four thousand, eight hundred forty".