442240259 has 4 divisors (see below), whose sum is σ = 443248080. Its totient is φ = 441232440.

The previous prime is 442240237. The next prime is 442240273. The reversal of 442240259 is 952042244.

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 442240259 - 2¹² = 442236163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442240229) 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, 503252 + ... + 504129.

It is an arithmetic number, because the mean of its divisors is an integer number (110812020).

Almost surely, 2^442240259 is an apocalyptic number.

442240259 is a deficient number, since it is larger than the sum of its proper divisors (1007821).

442240259 is a wasteful number, since it uses less digits than its factorization.

442240259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007820.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 442240259 is about 21029.5092429662. The cubic root of 442240259 is about 761.8791557986.

The spelling of 442240259 in words is "four hundred forty-two million, two hundred forty thousand, two hundred fifty-nine".