840642323246048 has 24 divisors (see below), whose sum is σ = 1683065668367160. Its totient is φ = 413197074136960.

The previous prime is 840642323246009. The next prime is 840642323246087.

840642323246048 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (840642323246009) and next prime (840642323246087).

It is a junction number, because it is equal to n+sod(n) for n = 840642323245984 and 840642323246002.

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, 222627732023 + ... + 222627735798.

It is an arithmetic number, because the mean of its divisors is an integer number (70127736181965).

Almost surely, 2^{840642323246048} is an apocalyptic number.

It is an amenable number.

840642323246048 is an abundant number, since it is smaller than the sum of its proper divisors (842423345121112).

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

840642323246048 is a wasteful number, since it uses less digits than its factorization.

840642323246048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445255467890 (or 445255467882 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 56.

The spelling of 840642323246048 in words is "eight hundred forty trillion, six hundred forty-two billion, three hundred twenty-three million, two hundred forty-six thousand, forty-eight".