42118275 has 24 divisors (see below), whose sum is σ = 71339184. Its totient is φ = 21913600.

The previous prime is 42118249. The next prime is 42118309. The reversal of 42118275 is 57281124.

It is not a de Polignac number, because 42118275 - 2⁸ = 42118019 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3774 + ... + 9923.

It is an arithmetic number, because the mean of its divisors is an integer number (2972466).

Almost surely, 2^42118275 is an apocalyptic number.

42118275 is a deficient number, since it is larger than the sum of its proper divisors (29220909).

42118275 is a wasteful number, since it uses less digits than its factorization.

42118275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13751 (or 13746 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 42118275 is about 6489.8593975525. The cubic root of 42118275 is about 347.9286499910.

Adding to 42118275 its reverse (57281124), we get a palindrome (99399399).

The spelling of 42118275 in words is "forty-two million, one hundred eighteen thousand, two hundred seventy-five".