6840377712 has 120 divisors (see below), whose sum is σ = 22095297120. Its totient is φ = 1935014400.

The previous prime is 6840377711. The next prime is 6840377723. The reversal of 6840377712 is 2177730486.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840377711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68214 + ... + 135402.

It is an arithmetic number, because the mean of its divisors is an integer number (184127476).

Almost surely, 2^6840377712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6840377712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11047648560).

6840377712 is an abundant number, since it is smaller than the sum of its proper divisors (15254919408).

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

6840377712 is a wasteful number, since it uses less digits than its factorization.

6840377712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67311 (or 67302 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 6840377712 is about 82706.5759900626. The cubic root of 6840377712 is about 1898.2789319732.

The spelling of 6840377712 in words is "six billion, eight hundred forty million, three hundred seventy-seven thousand, seven hundred twelve".