42268 has 6 divisors (see below), whose sum is σ = 73976. Its totient is φ = 21132.

The previous prime is 42257. The next prime is 42281. The reversal of 42268 is 86224.

It is a d-powerful number, because it can be written as 4 + 2¹³ + 2¹⁵ + 6⁴ + 8 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5280 + ... + 5287.

2⁴²²⁶⁸ is an apocalyptic number.

It is an amenable number.

42268 is a deficient number, since it is larger than the sum of its proper divisors (31708).

42268 is a wasteful number, since it uses less digits than its factorization.

42268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10571 (or 10569 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 42268 is about 205.5918286314. The cubic root of 42268 is about 34.8340442814.

Subtracting 42268 from its reverse (86224), we obtain a triangular number (43956 = T₂₉₆).

The spelling of 42268 in words is "forty-two thousand, two hundred sixty-eight".