840465000043 has 8 divisors (see below), whose sum is σ = 845505273888. Its totient is φ = 835426819584.

The previous prime is 840465000041. The next prime is 840465000047. The reversal of 840465000043 is 340000564048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 840465000043 - 2¹ = 840465000041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 840464999972 and 840465000008.

It is not an unprimeable number, because it can be changed into a prime (840465000041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285771 + ... + 1327627.

It is an arithmetic number, because the mean of its divisors is an integer number (105688159236).

Almost surely, 2^840465000043 is an apocalyptic number.

840465000043 is a deficient number, since it is larger than the sum of its proper divisors (5040273845).

840465000043 is a wasteful number, since it uses less digits than its factorization.

840465000043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046693.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 840465000043 in words is "eight hundred forty billion, four hundred sixty-five million, forty-three", and thus it is an aban number.