6246821018340 has 672 divisors, whose sum is σ = 22897795280640. Its totient is φ = 1401303628800.

The previous prime is 6246821018311. The next prime is 6246821018341. The reversal of 6246821018340 is 438101286426.

6246821018340 is a `hidden beast` number, since 6 + 2 + 468 + 2 + 1 + 0 + 183 + 4 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (6246821018341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 3853682730 + ... + 3853684350.

It is an arithmetic number, because the mean of its divisors is an integer number (34074100120).

Almost surely, 2^{6246821018340} is an apocalyptic number.

6246821018340 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 6246821018340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11448897640320).

6246821018340 is an abundant number, since it is smaller than the sum of its proper divisors (16650974262300).

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

6246821018340 is a wasteful number, since it uses less digits than its factorization.

6246821018340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 6246821018340 in words is "six trillion, two hundred forty-six billion, eight hundred twenty-one million, eighteen thousand, three hundred forty".