6838228408920 has 32 divisors (see below), whose sum is σ = 20514685227120. Its totient is φ = 1823527575680.

The previous prime is 6838228408867. The next prime is 6838228408937. The reversal of 6838228408920 is 298048228386.

It is a super-2 number, since 2×6838228408920² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

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, 28492618251 + ... + 28492618490.

Almost surely, 2^{6838228408920} is an apocalyptic number.

6838228408920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6838228408920 is an abundant number, since it is smaller than the sum of its proper divisors (13676456818200).

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

6838228408920 is a wasteful number, since it uses less digits than its factorization.

6838228408920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56985236755 (or 56985236751 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 60.

The spelling of 6838228408920 in words is "six trillion, eight hundred thirty-eight billion, two hundred twenty-eight million, four hundred eight thousand, nine hundred twenty".