442441452 has 12 divisors (see below), whose sum is σ = 1032363416. Its totient is φ = 147480480.

The previous prime is 442441327. The next prime is 442441453. The reversal of 442441452 is 254144244.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (442441453) 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, 18435049 + ... + 18435072.

Almost surely, 2^442441452 is an apocalyptic number.

It is an amenable number.

442441452 is an abundant number, since it is smaller than the sum of its proper divisors (589921964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442441452 is a wasteful number, since it uses less digits than its factorization.

442441452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36870128 (or 36870126 counting only the distinct ones).

The product of its digits is 20480, while the sum is 30.

The square root of 442441452 is about 21034.2922866447. The cubic root of 442441452 is about 761.9946748410.

Adding to 442441452 its reverse (254144244), we get a palindrome (696585696).

The spelling of 442441452 in words is "four hundred forty-two million, four hundred forty-one thousand, four hundred fifty-two".