42016411 has 4 divisors (see below), whose sum is σ = 42151824. Its totient is φ = 41881000.

The previous prime is 42016399. The next prime is 42016417. The reversal of 42016411 is 11461024.

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

It is a cyclic number.

It is not a de Polignac number, because 42016411 - 2²⁵ = 8461979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42016417) 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, 67240 + ... + 67861.

It is an arithmetic number, because the mean of its divisors is an integer number (10537956).

Almost surely, 2^42016411 is an apocalyptic number.

42016411 is a deficient number, since it is larger than the sum of its proper divisors (135413).

42016411 is a wasteful number, since it uses less digits than its factorization.

42016411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135412.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 42016411 is about 6482.0067108882. The cubic root of 42016411 is about 347.6479324609.

Adding to 42016411 its reverse (11461024), we get a palindrome (53477435).

The spelling of 42016411 in words is "forty-two million, sixteen thousand, four hundred eleven".