42269589 has 12 divisors (see below), whose sum is σ = 61126156. Its totient is φ = 28147392.

The previous prime is 42269543. The next prime is 42269621. The reversal of 42269589 is 98596224.

42269589 is a `hidden beast` number, since 4 + 2 + 2 + 69 + 589 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34751025 + 7518564 = 5895^2 + 2742^2 .

It is not a de Polignac number, because 42269589 - 2⁸ = 42269333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42269519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7689 + ... + 11985.

Almost surely, 2^42269589 is an apocalyptic number.

It is an amenable number.

42269589 is a deficient number, since it is larger than the sum of its proper divisors (18856567).

42269589 is a wasteful number, since it uses less digits than its factorization.

42269589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396 (or 5393 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 42269589 is about 6501.5066715339. The cubic root of 42269589 is about 348.3448078656.

The spelling of 42269589 in words is "forty-two million, two hundred sixty-nine thousand, five hundred eighty-nine".