840607300042 has 8 divisors (see below), whose sum is σ = 1260931990500. Its totient is φ = 420296636544.

The previous prime is 840607300031. The next prime is 840607300081. The reversal of 840607300042 is 240003706048.

840607300042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 837369576241 + 3237723801 = 915079^2 + 56901^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 840607299980 and 840607300007.

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, 3355617 + ... + 3597412.

Almost surely, 2^840607300042 is an apocalyptic number.

840607300042 is a deficient number, since it is larger than the sum of its proper divisors (420324690458).

840607300042 is a wasteful number, since it uses less digits than its factorization.

840607300042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013480.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 840607300042 in words is "eight hundred forty billion, six hundred seven million, three hundred thousand, forty-two".