42418575 has 18 divisors (see below), whose sum is σ = 75976784. Its totient is φ = 22623120.

The previous prime is 42418567. The next prime is 42418577. The reversal of 42418575 is 57581424.

42418575 is a `hidden beast` number, since 42 + 41 + 8 + 575 = 666.

It is not a de Polignac number, because 42418575 - 2³ = 42418567 is a prime.

It is a super-3 number, since 3×42418575³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42418577) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 94039 + ... + 94488.

Almost surely, 2^42418575 is an apocalyptic number.

42418575 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42418575 is a deficient number, since it is larger than the sum of its proper divisors (33558209).

42418575 is a wasteful number, since it uses less digits than its factorization.

42418575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188543 (or 188535 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 42418575 is about 6512.9543987349. The cubic root of 42418575 is about 348.7535938274.

Adding to 42418575 its reverse (57581424), we get a palindrome (99999999).

The spelling of 42418575 in words is "forty-two million, four hundred eighteen thousand, five hundred seventy-five".