42440432238 has 24 divisors (see below), whose sum is σ = 97363345248. Its totient is φ = 13314645312.

The previous prime is 42440432207. The next prime is 42440432291. The reversal of 42440432238 is 83223404424.

42440432238 is a `hidden beast` number, since 4 + 24 + 404 + 3 + 223 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 69346806 + ... + 69347417.

It is an arithmetic number, because the mean of its divisors is an integer number (4056806052).

Almost surely, 2^42440432238 is an apocalyptic number.

42440432238 is an abundant number, since it is smaller than the sum of its proper divisors (54922913010).

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

42440432238 is a wasteful number, since it uses less digits than its factorization.

42440432238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138694248 (or 138694245 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 42440432238 in words is "forty-two billion, four hundred forty million, four hundred thirty-two thousand, two hundred thirty-eight".