42268089 has 32 divisors (see below), whose sum is σ = 61415424. Its totient is φ = 25787520.

The previous prime is 42268073. The next prime is 42268111. The reversal of 42268089 is 98086224.

42268089 = T₃₀ + T₃₁ + ... + T₆₃₂.

It is not a de Polignac number, because 42268089 - 2⁴ = 42268073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42268049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189432 + ... + 189654.

It is an arithmetic number, because the mean of its divisors is an integer number (1919232).

Almost surely, 2^42268089 is an apocalyptic number.

It is an amenable number.

42268089 is a deficient number, since it is larger than the sum of its proper divisors (19147335).

42268089 is a wasteful number, since it uses less digits than its factorization.

42268089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 42268089 is about 6501.3913126346. The cubic root of 42268089 is about 348.3406873036.

The spelling of 42268089 in words is "forty-two million, two hundred sixty-eight thousand, eighty-nine".