42342318 has 16 divisors (see below), whose sum is σ = 94094160. Its totient is φ = 14114088.

The previous prime is 42342301. The next prime is 42342323. The reversal of 42342318 is 81324324.

42342318 is a `hidden beast` number, since 4 + 2 + 342 + 318 = 666.

42342318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42342318² = 3585743787226248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42342291 and 42342300.

It is a congruent number.

It is an unprimeable number.

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, 392005 + ... + 392112.

It is an arithmetic number, because the mean of its divisors is an integer number (5880885).

Almost surely, 2^42342318 is an apocalyptic number.

42342318 is an abundant number, since it is smaller than the sum of its proper divisors (51751842).

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

42342318 is a wasteful number, since it uses less digits than its factorization.

42342318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784128 (or 784122 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 42342318 is about 6507.0975096428. The cubic root of 42342318 is about 348.5444805987.

The spelling of 42342318 in words is "forty-two million, three hundred forty-two thousand, three hundred eighteen".