442323469 has 16 divisors (see below), whose sum is σ = 524492800. Its totient is φ = 365024880.

The previous prime is 442323463. The next prime is 442323523. The reversal of 442323469 is 964323244.

It is a cyclic number.

It is not a de Polignac number, because 442323469 - 2¹⁹ = 441799181 is a prime.

It is a super-2 number, since 2×442323469² = 391300102456387922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442323463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38062 + ... + 48304.

It is an arithmetic number, because the mean of its divisors is an integer number (32780800).

Almost surely, 2^442323469 is an apocalyptic number.

It is an amenable number.

442323469 is a deficient number, since it is larger than the sum of its proper divisors (82169331).

442323469 is a wasteful number, since it uses less digits than its factorization.

442323469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10480.

The product of its digits is 124416, while the sum is 37.

The square root of 442323469 is about 21031.4875603225. The cubic root of 442323469 is about 761.9269367560.

The spelling of 442323469 in words is "four hundred forty-two million, three hundred twenty-three thousand, four hundred sixty-nine".