42024405 has 16 divisors (see below), whose sum is σ = 67858560. Its totient is φ = 22206528.

The previous prime is 42024401. The next prime is 42024457. The reversal of 42024405 is 50442024.

42024405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42024405 - 2² = 42024401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42024401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11217 + ... + 14486.

It is an arithmetic number, because the mean of its divisors is an integer number (4241160).

Almost surely, 2^42024405 is an apocalyptic number.

It is an amenable number.

42024405 is a deficient number, since it is larger than the sum of its proper divisors (25834155).

42024405 is a wasteful number, since it uses less digits than its factorization.

42024405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25820.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 42024405 is about 6482.6233115923. The cubic root of 42024405 is about 347.6699787778.

Adding to 42024405 its reverse (50442024), we get a palindrome (92466429).

The spelling of 42024405 in words is "forty-two million, twenty-four thousand, four hundred five".