6840976320 has 84 divisors (see below), whose sum is σ = 23530118040. Its totient is φ = 1824259584.

The previous prime is 6840976301. The next prime is 6840976327. The reversal of 6840976320 is 236790486.

6840976320 is a `hidden beast` number, since 6 + 8 + 4 + 0 + 9 + 7 + 632 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840976327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1184790 + ... + 1190549.

Almost surely, 2^6840976320 is an apocalyptic number.

6840976320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6840976320 is an abundant number, since it is smaller than the sum of its proper divisors (16689141720).

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

6840976320 is a wasteful number, since it uses less digits than its factorization.

6840976320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375362 (or 2375349 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 6840976320 is about 82710.1947767021. The cubic root of 6840976320 is about 1898.3343037600.

The spelling of 6840976320 in words is "six billion, eight hundred forty million, nine hundred seventy-six thousand, three hundred twenty".