6840468026624 has 36 divisors (see below), whose sum is σ = 13753881351924. Its totient is φ = 3395268784128.

The previous prime is 6840468026599. The next prime is 6840468026627. The reversal of 6840468026624 is 4266208640486.

It can be written as a sum of positive squares in 2 ways, for example, as 2247504692224 + 4592963334400 = 1499168^2 + 2143120^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6840468026624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840468026627) 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 3 ways as a sum of consecutive naturals, for example, 97485287 + ... + 97555430.

Almost surely, 2^{6840468026624} is an apocalyptic number.

6840468026624 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6840468026624 is an abundant number, since it is smaller than the sum of its proper divisors (6913413325300).

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

6840468026624 is a wasteful number, since it uses less digits than its factorization.

6840468026624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195040870 (or 195040856 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 56.

The spelling of 6840468026624 in words is "six trillion, eight hundred forty billion, four hundred sixty-eight million, twenty-six thousand, six hundred twenty-four".