442544152 has 16 divisors (see below), whose sum is σ = 830372400. Its totient is φ = 221111520.

The previous prime is 442544129. The next prime is 442544159. The reversal of 442544152 is 251445244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442544159) 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, 7924 + ... + 30787.

It is an arithmetic number, because the mean of its divisors is an integer number (51898275).

Almost surely, 2^442544152 is an apocalyptic number.

It is an amenable number.

442544152 is a deficient number, since it is larger than the sum of its proper divisors (387828248).

442544152 is a wasteful number, since it uses less digits than its factorization.

442544152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40146 (or 40142 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 442544152 is about 21036.7333966089. The cubic root of 442544152 is about 762.0536286292.

Adding to 442544152 its reverse (251445244), we get a palindrome (693989396).

The spelling of 442544152 in words is "four hundred forty-two million, five hundred forty-four thousand, one hundred fifty-two".