8134245808440 has 32 divisors (see below), whose sum is σ = 24402737425680. Its totient is φ = 2169132215552.

The previous prime is 8134245808421. The next prime is 8134245808441. The reversal of 8134245808440 is 448085424318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8134245808441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33892690749 + ... + 33892690988.

Almost surely, 2^{8134245808440} is an apocalyptic number.

It is an amenable number.

8134245808440 is an abundant number, since it is smaller than the sum of its proper divisors (16268491617240).

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

8134245808440 is a wasteful number, since it uses less digits than its factorization.

8134245808440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67785381751 (or 67785381747 counting only the distinct ones).

The product of its (nonzero) digits is 3932160, while the sum is 51.

The spelling of 8134245808440 in words is "eight trillion, one hundred thirty-four billion, two hundred forty-five million, eight hundred eight thousand, four hundred forty".