42404211 has 12 divisors (see below), whose sum is σ = 62255440. Its totient is φ = 27805680.

The previous prime is 42404189. The next prime is 42404227. The reversal of 42404211 is 11240424.

42404211 is a `hidden beast` number, since 4 + 240 + 421 + 1 = 666.

It is not a de Polignac number, because 42404211 - 2⁶ = 42404147 is a prime.

It is a super-2 number, since 2×42404211² = 3596234221065042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42404231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38071 + ... + 39168.

Almost surely, 2^42404211 is an apocalyptic number.

42404211 is a deficient number, since it is larger than the sum of its proper divisors (19851229).

42404211 is a wasteful number, since it uses less digits than its factorization.

42404211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77306 (or 77303 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 42404211 is about 6511.8515800040. The cubic root of 42404211 is about 348.7142237937.

Adding to 42404211 its reverse (11240424), we get a palindrome (53644635).

The spelling of 42404211 in words is "forty-two million, four hundred four thousand, two hundred eleven".