42368109 has 8 divisors (see below), whose sum is σ = 64560960. Its totient is φ = 24210336.

The previous prime is 42368087. The next prime is 42368111. The reversal of 42368109 is 90186324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42368109 - 2¹³ = 42359917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42368109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42368189) 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, 1008744 + ... + 1008785.

It is an arithmetic number, because the mean of its divisors is an integer number (8070120).

Almost surely, 2^42368109 is an apocalyptic number.

It is an amenable number.

42368109 is a deficient number, since it is larger than the sum of its proper divisors (22192851).

42368109 is a wasteful number, since it uses less digits than its factorization.

42368109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017539.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 42368109 is about 6509.0789671043. The cubic root of 42368109 is about 348.6152331900.

The spelling of 42368109 in words is "forty-two million, three hundred sixty-eight thousand, one hundred nine".