42544452 has 24 divisors (see below), whose sum is σ = 99443232. Its totient is φ = 14156800.

The previous prime is 42544451. The next prime is 42544471. The reversal of 42544452 is 25444524.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42544451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4927 + ... + 10457.

It is an arithmetic number, because the mean of its divisors is an integer number (4143468).

Almost surely, 2^42544452 is an apocalyptic number.

It is an amenable number.

42544452 is an abundant number, since it is smaller than the sum of its proper divisors (56898780).

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

42544452 is a wasteful number, since it uses less digits than its factorization.

42544452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179 (or 6177 counting only the distinct ones).

The product of its digits is 25600, while the sum is 30.

The square root of 42544452 is about 6522.6108269619. The cubic root of 42544452 is about 349.0982282487.

Adding to 42544452 its reverse (25444524), we get a palindrome (67988976).

The spelling of 42544452 in words is "forty-two million, five hundred forty-four thousand, four hundred fifty-two".