418042 has 4 divisors (see below), whose sum is σ = 627066. Its totient is φ = 209020.

The previous prime is 418031. The next prime is 418043. The reversal of 418042 is 240814.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 398161 + 19881 = 631^2 + 141^2 .

It is a super-2 number, since 2×418042² = 349518227528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (418043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104509 + ... + 104512.

2⁴¹⁸⁰⁴² is an apocalyptic number.

418042 is a deficient number, since it is larger than the sum of its proper divisors (209024).

418042 is a wasteful number, since it uses less digits than its factorization.

418042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209023.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 418042 is about 646.5616753257. The cubic root of 418042 is about 74.7721678603.

Adding to 418042 its reverse (240814), we get a palindrome (658856).

The spelling of 418042 in words is "four hundred eighteen thousand, forty-two".