42289438027 has 4 divisors (see below), whose sum is σ = 42622425856. Its totient is φ = 41956450200.

The previous prime is 42289438013. The next prime is 42289438039. The reversal of 42289438027 is 72083498224.

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

It is a cyclic number.

It is not a de Polignac number, because 42289438027 - 2¹⁵ = 42289405259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42289438427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166493724 + ... + 166493977.

It is an arithmetic number, because the mean of its divisors is an integer number (10655606464).

Almost surely, 2^42289438027 is an apocalyptic number.

42289438027 is a deficient number, since it is larger than the sum of its proper divisors (332987829).

42289438027 is a wasteful number, since it uses less digits than its factorization.

42289438027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332987828.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 42289438027 in words is "forty-two billion, two hundred eighty-nine million, four hundred thirty-eight thousand, twenty-seven".