42042365 has 8 divisors (see below), whose sum is σ = 50489568. Its totient is φ = 33608080.

The previous prime is 42042349. The next prime is 42042389. The reversal of 42042365 is 56324024.

42042365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42042365 - 2⁴ = 42042349 is a prime.

It is a Duffinian number.

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, 6734 + ... + 11376.

It is an arithmetic number, because the mean of its divisors is an integer number (6311196).

Almost surely, 2^42042365 is an apocalyptic number.

It is an amenable number.

42042365 is a deficient number, since it is larger than the sum of its proper divisors (8447203).

42042365 is a wasteful number, since it uses less digits than its factorization.

42042365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 42042365 is about 6484.0084052999. The cubic root of 42042365 is about 347.7194997130.

Adding to 42042365 its reverse (56324024), we get a palindrome (98366389).

The spelling of 42042365 in words is "forty-two million, forty-two thousand, three hundred sixty-five".