42268511 has 4 divisors (see below), whose sum is σ = 44754912. Its totient is φ = 39782112.

The previous prime is 42268489. The next prime is 42268519. The reversal of 42268511 is 11586224.

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 42268511 - 2¹⁰ = 42267487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42268519) 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, 1243175 + ... + 1243208.

It is an arithmetic number, because the mean of its divisors is an integer number (11188728).

Almost surely, 2^42268511 is an apocalyptic number.

42268511 is a deficient number, since it is larger than the sum of its proper divisors (2486401).

42268511 is a wasteful number, since it uses less digits than its factorization.

42268511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486400.

The product of its digits is 3840, while the sum is 29.

The square root of 42268511 is about 6501.4237671452. The cubic root of 42268511 is about 348.3418465649.

The spelling of 42268511 in words is "forty-two million, two hundred sixty-eight thousand, five hundred eleven".