6847367993440 has 96 divisors (see below), whose sum is σ = 17422117112736. Its totient is φ = 2528138096640.

The previous prime is 6847367993393. The next prime is 6847367993509. The reversal of 6847367993440 is 443997637486.

It is a self number, because there is not a number n which added to its sum of digits gives 6847367993440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51603019 + ... + 51735541.

It is an arithmetic number, because the mean of its divisors is an integer number (181480386591).

Almost surely, 2^{6847367993440} is an apocalyptic number.

It is an amenable number.

6847367993440 is an abundant number, since it is smaller than the sum of its proper divisors (10574749119296).

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

6847367993440 is a wasteful number, since it uses less digits than its factorization.

6847367993440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157392 (or 157384 counting only the distinct ones).

The product of its (nonzero) digits is 658409472, while the sum is 70.

The spelling of 6847367993440 in words is "six trillion, eight hundred forty-seven billion, three hundred sixty-seven million, nine hundred ninety-three thousand, four hundred forty".