42424504 has 32 divisors (see below), whose sum is σ = 82005840. Its totient is φ = 20563200.

The previous prime is 42424483. The next prime is 42424517. The reversal of 42424504 is 40542424.

It is a happy number.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68902 + ... + 69514.

Almost surely, 2^42424504 is an apocalyptic number.

It is an amenable number.

42424504 is a deficient number, since it is larger than the sum of its proper divisors (39581336).

42424504 is a wasteful number, since it uses less digits than its factorization.

42424504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 42424504 is about 6513.4095526076. The cubic root of 42424504 is about 348.7698419272.

Adding to 42424504 its reverse (40542424), we get a palindrome (82966928).

The spelling of 42424504 in words is "forty-two million, four hundred twenty-four thousand, five hundred four".