42669318 has 16 divisors (see below), whose sum is σ = 85659120. Its totient is φ = 14169696.

The previous prime is 42669313. The next prime is 42669329. The reversal of 42669318 is 81396624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42669311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11605 + ... + 14832.

It is an arithmetic number, because the mean of its divisors is an integer number (5353695).

Almost surely, 2^42669318 is an apocalyptic number.

42669318 is an abundant number, since it is smaller than the sum of its proper divisors (42989802).

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

42669318 is a wasteful number, since it uses less digits than its factorization.

42669318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26711.

The product of its digits is 62208, while the sum is 39.

The square root of 42669318 is about 6532.1755947004. The cubic root of 42669318 is about 349.4394237227.

The spelling of 42669318 in words is "forty-two million, six hundred sixty-nine thousand, three hundred eighteen".