42454497042 has 24 divisors (see below), whose sum is σ = 92005283916. Its totient is φ = 14148338976.

The previous prime is 42454497011. The next prime is 42454497053. The reversal of 42454497042 is 24079445424.

42454497042 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 31833339561 + 10621157481 = 178419^2 + 103059^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179773 + ... + 342384.

Almost surely, 2^42454497042 is an apocalyptic number.

42454497042 is an abundant number, since it is smaller than the sum of its proper divisors (49550786874).

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

42454497042 is a wasteful number, since it uses less digits than its factorization.

42454497042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526682 (or 526679 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 42454497042 in words is "forty-two billion, four hundred fifty-four million, four hundred ninety-seven thousand, forty-two".