42668958 has 16 divisors (see below), whose sum is σ = 88091136. Its totient is φ = 13764120.

The previous prime is 42668921. The next prime is 42668959. The reversal of 42668958 is 85986624.

It is a happy number.

42668958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42668959) 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, 114516 + ... + 114887.

It is an arithmetic number, because the mean of its divisors is an integer number (5505696).

Almost surely, 2^42668958 is an apocalyptic number.

42668958 is an abundant number, since it is smaller than the sum of its proper divisors (45422178).

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

42668958 is a wasteful number, since it uses less digits than its factorization.

42668958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229439.

The product of its digits is 829440, while the sum is 48.

The square root of 42668958 is about 6532.1480387389. The cubic root of 42668958 is about 349.4384409827.

The spelling of 42668958 in words is "forty-two million, six hundred sixty-eight thousand, nine hundred fifty-eight".