42855031308 has 12 divisors (see below), whose sum is σ = 99995073080. Its totient is φ = 14285010432.

The previous prime is 42855031301. The next prime is 42855031327. The reversal of 42855031308 is 80313055824.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (42855031301) 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, 1785626293 + ... + 1785626316.

Almost surely, 2^42855031308 is an apocalyptic number.

It is an amenable number.

42855031308 is an abundant number, since it is smaller than the sum of its proper divisors (57140041772).

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

42855031308 is a wasteful number, since it uses less digits than its factorization.

42855031308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571252616 (or 3571252614 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 42855031308 in words is "forty-two billion, eight hundred fifty-five million, thirty-one thousand, three hundred eight".