6826840866720 has 576 divisors, whose sum is σ = 28002165295104. Its totient is φ = 1481588858880.

The previous prime is 6826840866719. The next prime is 6826840866739. The reversal of 6826840866720 is 276680486286.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16355334 + ... + 16767546.

It is an arithmetic number, because the mean of its divisors is an integer number (48614870304).

Almost surely, 2^{6826840866720} is an apocalyptic number.

6826840866720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6826840866720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14001082647552).

6826840866720 is an abundant number, since it is smaller than the sum of its proper divisors (21175324428384).

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

6826840866720 is a wasteful number, since it uses less digits than its factorization.

6826840866720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412325 (or 412314 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 63.

The spelling of 6826840866720 in words is "six trillion, eight hundred twenty-six billion, eight hundred forty million, eight hundred sixty-six thousand, seven hundred twenty".