208430071042 has 8 divisors (see below), whose sum is σ = 312805525500. Its totient is φ = 104161562544.

The previous prime is 208430071037. The next prime is 208430071081. The reversal of 208430071042 is 240170034802.

It can be written as a sum of positive squares in 2 ways, for example, as 186148239601 + 22281831441 = 431449^2 + 149271^2 .

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 = 208430070995 and 208430071013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26731617 + ... + 26739412.

Almost surely, 2^208430071042 is an apocalyptic number.

208430071042 is a deficient number, since it is larger than the sum of its proper divisors (104375454458).

208430071042 is a wasteful number, since it uses less digits than its factorization.

208430071042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53472980.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 208430071042 in words is "two hundred eight billion, four hundred thirty million, seventy-one thousand, forty-two".