6862080640640 has 64 divisors (see below), whose sum is σ = 16405219447560. Its totient is φ = 2744738906112.

The previous prime is 6862080640637. The next prime is 6862080640661. The reversal of 6862080640640 is 460460802686.

It can be written as a sum of positive squares in 4 ways, for example, as 3617269255744 + 3244811384896 = 1901912^2 + 1801336^2 .

It is a tau number, because it is divible by the number of its divisors (64).

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, 20478284 + ... + 20810676.

Almost surely, 2^{6862080640640} is an apocalyptic number.

It is an amenable number.

6862080640640 is an abundant number, since it is smaller than the sum of its proper divisors (9543138806920).

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

6862080640640 is a wasteful number, since it uses less digits than its factorization.

6862080640640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364669 (or 364657 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 50.

The spelling of 6862080640640 in words is "six trillion, eight hundred sixty-two billion, eighty million, six hundred forty thousand, six hundred forty".