42124424 has 16 divisors (see below), whose sum is σ = 79137420. Its totient is φ = 21021120.

The previous prime is 42124403. The next prime is 42124451. The reversal of 42124424 is 42442124.

It can be written as a sum of positive squares in 2 ways, for example, as 41088100 + 1036324 = 6410^2 + 1018^2 .

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 42124424.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539 + ... + 9194.

Almost surely, 2^42124424 is an apocalyptic number.

It is an amenable number.

42124424 is a deficient number, since it is larger than the sum of its proper divisors (37012996).

42124424 is a wasteful number, since it uses less digits than its factorization.

42124424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10280 (or 10276 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 42124424 is about 6490.3331193399. Note that the first 3 decimals coincide. The cubic root of 42124424 is about 347.9455809564.

Adding to 42124424 its reverse (42442124), we get a palindrome (84566548).

The spelling of 42124424 in words is "forty-two million, one hundred twenty-four thousand, four hundred twenty-four".