42385085085 has 32 divisors (see below), whose sum is σ = 77610903552. Its totient is φ = 19349352000.

The previous prime is 42385085047. The next prime is 42385085089. The reversal of 42385085085 is 58058058324.

It is not a de Polignac number, because 42385085085 - 2¹² = 42385080989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42385085089) 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 31 ways as a sum of consecutive naturals, for example, 201291 + ... + 353960.

It is an arithmetic number, because the mean of its divisors is an integer number (2425340736).

Almost surely, 2^42385085085 is an apocalyptic number.

It is an amenable number.

42385085085 is a deficient number, since it is larger than the sum of its proper divisors (35225818467).

42385085085 is a wasteful number, since it uses less digits than its factorization.

42385085085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555993.

The product of its (nonzero) digits is 1536000, while the sum is 48.

The spelling of 42385085085 in words is "forty-two billion, three hundred eighty-five million, eighty-five thousand, eighty-five".