42209435 has 8 divisors (see below), whose sum is σ = 51016560. Its totient is φ = 33524064.

The previous prime is 42209389. The next prime is 42209441. The reversal of 42209435 is 53490224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42209435 - 2⁶ = 42209371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42209398 and 42209407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29672 + ... + 31061.

It is an arithmetic number, because the mean of its divisors is an integer number (6377070).

Almost surely, 2^42209435 is an apocalyptic number.

42209435 is a deficient number, since it is larger than the sum of its proper divisors (8807125).

42209435 is a wasteful number, since it uses less digits than its factorization.

42209435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60877.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 42209435 is about 6496.8788660402. The cubic root of 42209435 is about 348.1794858457.

Adding to 42209435 its reverse (53490224), we get a palindrome (95699659).

The spelling of 42209435 in words is "forty-two million, two hundred nine thousand, four hundred thirty-five".