6836620840 has 64 divisors (see below), whose sum is σ = 17596425600. Its totient is φ = 2341778688.

The previous prime is 6836620801. The next prime is 6836620849. The reversal of 6836620840 is 480266386.

It is not an unprimeable number, because it can be changed into a prime (6836620849) 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, 301831 + ... + 323689.

It is an arithmetic number, because the mean of its divisors is an integer number (274944150).

Almost surely, 2^6836620840 is an apocalyptic number.

It is an amenable number.

6836620840 is an abundant number, since it is smaller than the sum of its proper divisors (10759804760).

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

6836620840 is a wasteful number, since it uses less digits than its factorization.

6836620840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22994 (or 22990 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 6836620840 is about 82683.8608193884. The cubic root of 6836620840 is about 1897.9313441025.

The spelling of 6836620840 in words is "six billion, eight hundred thirty-six million, six hundred twenty thousand, eight hundred forty".