42424132 has 24 divisors (see below), whose sum is σ = 75741120. Its totient is φ = 20787360.

The previous prime is 42424117. The next prime is 42424139. The reversal of 42424132 is 23142424.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42424139) 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, 83094 + ... + 83602.

It is an arithmetic number, because the mean of its divisors is an integer number (3155880).

Almost surely, 2^42424132 is an apocalyptic number.

It is an amenable number.

42424132 is a deficient number, since it is larger than the sum of its proper divisors (33316988).

42424132 is a wasteful number, since it uses less digits than its factorization.

42424132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 889 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 42424132 is about 6513.3809960726. The cubic root of 42424132 is about 348.7688225261.

Adding to 42424132 its reverse (23142424), we get a palindrome (65566556).

The spelling of 42424132 in words is "forty-two million, four hundred twenty-four thousand, one hundred thirty-two".