6808708421440 has 28 divisors (see below), whose sum is σ = 16213236929316. Its totient is φ = 2723483368448.

The previous prime is 6808708421381. The next prime is 6808708421507. The reversal of 6808708421440 is 441248078086.

It can be written as a sum of positive squares in 2 ways, for example, as 949907535424 + 5858800886016 = 974632^2 + 2420496^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10638606589 + ... + 10638607228.

It is an arithmetic number, because the mean of its divisors is an integer number (579044176047).

Almost surely, 2^{6808708421440} is an apocalyptic number.

It is an amenable number.

6808708421440 is an abundant number, since it is smaller than the sum of its proper divisors (9404528507876).

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

6808708421440 is a wasteful number, since it uses less digits than its factorization.

6808708421440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21277213834 (or 21277213824 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 52.

The spelling of 6808708421440 in words is "six trillion, eight hundred eight billion, seven hundred eight million, four hundred twenty-one thousand, four hundred forty".