8683459326440 has 128 divisors (see below), whose sum is σ = 19702408377600. Its totient is φ = 3444271165440.

The previous prime is 8683459326433. The next prime is 8683459326461. The reversal of 8683459326440 is 446239543868.

It is a happy number.

It is a Cunningham number, because it is equal to 2946771²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2699239712 + ... + 2699242928.

It is an arithmetic number, because the mean of its divisors is an integer number (153925065450).

Almost surely, 2^{8683459326440} is an apocalyptic number.

It is an amenable number.

8683459326440 is an abundant number, since it is smaller than the sum of its proper divisors (11018949051160).

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

8683459326440 is a wasteful number, since it uses less digits than its factorization.

8683459326440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555 (or 4551 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 62.

The spelling of 8683459326440 in words is "eight trillion, six hundred eighty-three billion, four hundred fifty-nine million, three hundred twenty-six thousand, four hundred forty".