42178116602 has 4 divisors (see below), whose sum is σ = 63267174906. Its totient is φ = 21089058300.

The previous prime is 42178116601. The next prime is 42178116623. The reversal of 42178116602 is 20661187124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41054459161 + 1123657441 = 202619^2 + 33521^2 .

It is not an unprimeable number, because it can be changed into a prime (42178116601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10544529149 + ... + 10544529152.

Almost surely, 2^42178116602 is an apocalyptic number.

42178116602 is a deficient number, since it is larger than the sum of its proper divisors (21089058304).

42178116602 is a wasteful number, since it uses less digits than its factorization.

42178116602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21089058303.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 42178116602 in words is "forty-two billion, one hundred seventy-eight million, one hundred sixteen thousand, six hundred two".