6940348818 has 32 divisors (see below), whose sum is σ = 14952542976. Its totient is φ = 2134906368.

The previous prime is 6940348729. The next prime is 6940348819. The reversal of 6940348818 is 8188430496.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6940348819) 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 15 ways as a sum of consecutive naturals, for example, 338146 + ... + 358082.

It is an arithmetic number, because the mean of its divisors is an integer number (467266968).

Almost surely, 2^6940348818 is an apocalyptic number.

6940348818 is an abundant number, since it is smaller than the sum of its proper divisors (8012194158).

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

6940348818 is a wasteful number, since it uses less digits than its factorization.

6940348818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24418.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 6940348818 is about 83308.7559503801. The cubic root of 6940348818 is about 1907.4819314100.

The spelling of 6940348818 in words is "six billion, nine hundred forty million, three hundred forty-eight thousand, eight hundred eighteen".