42010 has 8 divisors (see below), whose sum is σ = 75636. Its totient is φ = 16800.
The previous prime is 41999. The next prime is 42013. The reversal of 42010 is 1024.
42010 is nontrivially palindromic in base 4.
It can be written as a sum of positive squares in 2 ways, for example, as 37249 + 4761 = 193^2 + 69^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a plaindrome in base 14.
It is a junction number, because it is equal to n+sod(n) for n = 41984 and 42002.
It is not an unprimeable number, because it can be changed into a prime (42013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2091 + ... + 2110.
242010 is an apocalyptic number.
42010 is a deficient number, since it is larger than the sum of its proper divisors (33626).
42010 is a wasteful number, since it uses less digits than its factorization.
42010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4208.
The product of its (nonzero) digits is 8, while the sum is 7.
The square root of 42010 is about 204.9634113690. The cubic root of 42010 is about 34.7630249813.
Adding to 42010 its reverse (1024), we get a palindrome (43034).
The spelling of 42010 in words is "forty-two thousand, ten", and thus it is an iban number.
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