2066402422842 has 16 divisors (see below), whose sum is σ = 4132864253280. Its totient is φ = 688790906352.

The previous prime is 2066402422787. The next prime is 2066402423051. The reversal of 2066402422842 is 2482242046602.

It is a junction number, because it is equal to n+sod(n) for n = 2066402422794 and 2066402422803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016592 + ... + 2863467.

It is an arithmetic number, because the mean of its divisors is an integer number (258304015830).

Almost surely, 2^{2066402422842} is an apocalyptic number.

2066402422842 is an abundant number, since it is smaller than the sum of its proper divisors (2066461830438).

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

2066402422842 is a wasteful number, since it uses less digits than its factorization.

2066402422842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950637.

The product of its (nonzero) digits is 589824, while the sum is 42.

The spelling of 2066402422842 in words is "two trillion, sixty-six billion, four hundred two million, four hundred twenty-two thousand, eight hundred forty-two".