442332369 has 36 divisors (see below), whose sum is σ = 687753040. Its totient is φ = 273190320.

The previous prime is 442332361. The next prime is 442332377. The reversal of 442332369 is 963233244.

It is an interprime number because it is at equal distance from previous prime (442332361) and next prime (442332377).

It is not a de Polignac number, because 442332369 - 2³ = 442332361 is a prime.

It is a super-2 number, since 2×442332369² = 391315849330304322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442332361) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 377154 + ... + 378324.

Almost surely, 2^442332369 is an apocalyptic number.

It is an amenable number.

442332369 is a deficient number, since it is larger than the sum of its proper divisors (245420671).

442332369 is a wasteful number, since it uses less digits than its factorization.

442332369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 1240 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 442332369 is about 21031.6991467642. The cubic root of 442332369 is about 761.9320469711.

The spelling of 442332369 in words is "four hundred forty-two million, three hundred thirty-two thousand, three hundred sixty-nine".