42544232 has 8 divisors (see below), whose sum is σ = 79770450. Its totient is φ = 21272112.

The previous prime is 42544219. The next prime is 42544237. The reversal of 42544232 is 23244524.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33339076 + 9205156 = 5774^2 + 3034^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42544237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2659007 + ... + 2659022.

Almost surely, 2^42544232 is an apocalyptic number.

It is an amenable number.

42544232 is a deficient number, since it is larger than the sum of its proper divisors (37226218).

42544232 is a wasteful number, since it uses less digits than its factorization.

42544232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318035 (or 5318031 counting only the distinct ones).

The product of its digits is 7680, while the sum is 26.

The square root of 42544232 is about 6522.5939625275. The cubic root of 42544232 is about 349.0976265115.

Adding to 42544232 its reverse (23244524), we get a palindrome (65788756).

The spelling of 42544232 in words is "forty-two million, five hundred forty-four thousand, two hundred thirty-two".