42544212 has 48 divisors (see below), whose sum is σ = 102127872. Its totient is φ = 13777920.

The previous prime is 42544207. The next prime is 42544219. The reversal of 42544212 is 21244524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42544219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135768 + ... + 136080.

It is an arithmetic number, because the mean of its divisors is an integer number (2127664).

Almost surely, 2^42544212 is an apocalyptic number.

It is an amenable number.

42544212 is an abundant number, since it is smaller than the sum of its proper divisors (59583660).

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

42544212 is a wasteful number, since it uses less digits than its factorization.

42544212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 606 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 42544212 is about 6522.5924293949. The cubic root of 42544212 is about 349.0975718080.

Adding to 42544212 its reverse (21244524), we get a palindrome (63788736).

The spelling of 42544212 in words is "forty-two million, five hundred forty-four thousand, two hundred twelve".