42266305 has 8 divisors (see below), whose sum is σ = 50948352. Its totient is φ = 33660528.

The previous prime is 42266293. The next prime is 42266309. The reversal of 42266305 is 50366224.

It is a happy number.

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 42266305 - 2¹⁹ = 41742017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42266309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17839 + ... + 20068.

It is an arithmetic number, because the mean of its divisors is an integer number (6368544).

Almost surely, 2^42266305 is an apocalyptic number.

It is an amenable number.

42266305 is a deficient number, since it is larger than the sum of its proper divisors (8682047).

42266305 is a wasteful number, since it uses less digits than its factorization.

42266305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38135.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 42266305 is about 6501.2541097853. The cubic root of 42266305 is about 348.3357864548.

The spelling of 42266305 in words is "forty-two million, two hundred sixty-six thousand, three hundred five".