42406635 has 8 divisors (see below), whose sum is σ = 67850640. Its totient is φ = 22616864.

The previous prime is 42406627. The next prime is 42406657. The reversal of 42406635 is 53660424.

42406635 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42406635 - 2³ = 42406627 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413540 + ... + 1413569.

It is an arithmetic number, because the mean of its divisors is an integer number (8481330).

Almost surely, 2^42406635 is an apocalyptic number.

42406635 is a deficient number, since it is larger than the sum of its proper divisors (25444005).

42406635 is a wasteful number, since it uses less digits than its factorization.

42406635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827117.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 42406635 is about 6512.0376995223. The cubic root of 42406635 is about 348.7208683160.

The spelling of 42406635 in words is "forty-two million, four hundred six thousand, six hundred thirty-five".