42235818 has 16 divisors (see below), whose sum is σ = 84538080. Its totient is φ = 14067536.

The previous prime is 42235813. The next prime is 42235819. The reversal of 42235818 is 81853224.

42235818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42235811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10096 + ... + 13652.

It is an arithmetic number, because the mean of its divisors is an integer number (5283630).

Almost surely, 2^42235818 is an apocalyptic number.

42235818 is an abundant number, since it is smaller than the sum of its proper divisors (42302262).

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

42235818 is a wasteful number, since it uses less digits than its factorization.

42235818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5541.

The product of its digits is 15360, while the sum is 33.

The square root of 42235818 is about 6498.9089853605. The cubic root of 42235818 is about 348.2520139123.

The spelling of 42235818 in words is "forty-two million, two hundred thirty-five thousand, eight hundred eighteen".