42416635 has 4 divisors (see below), whose sum is σ = 50899968. Its totient is φ = 33933304.

The previous prime is 42416629. The next prime is 42416639. The reversal of 42416635 is 53661424.

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 42416635 - 2⁹ = 42416123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42416597 and 42416606.

It is not an unprimeable number, because it can be changed into a prime (42416639) 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, 4241659 + ... + 4241668.

It is an arithmetic number, because the mean of its divisors is an integer number (12724992).

Almost surely, 2^42416635 is an apocalyptic number.

42416635 is a deficient number, since it is larger than the sum of its proper divisors (8483333).

42416635 is an equidigital number, since it uses as much as digits as its factorization.

42416635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8483332.

The product of its digits is 17280, while the sum is 31.

The square root of 42416635 is about 6512.8054630858. The cubic root of 42416635 is about 348.7482770349.

The spelling of 42416635 in words is "forty-two million, four hundred sixteen thousand, six hundred thirty-five".