6784929440256 has 80 divisors (see below), whose sum is σ = 19718701234848. Its totient is φ = 2056039219200.

The previous prime is 6784929440227. The next prime is 6784929440257. The reversal of 6784929440256 is 6520449294876.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (6784929440257) 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 7 ways as a sum of consecutive naturals, for example, 200768185 + ... + 200801976.

Almost surely, 2^{6784929440256} is an apocalyptic number.

6784929440256 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6784929440256 is an abundant number, since it is smaller than the sum of its proper divisors (12933771794592).

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

6784929440256 is a wasteful number, since it uses less digits than its factorization.

6784929440256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401570193 (or 401570177 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 66.

The spelling of 6784929440256 in words is "six trillion, seven hundred eighty-four billion, nine hundred twenty-nine million, four hundred forty thousand, two hundred fifty-six".