42424454 has 16 divisors (see below), whose sum is σ = 67798080. Its totient is φ = 19852200.

The previous prime is 42424453. The next prime is 42424457. The reversal of 42424454 is 45442424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42424451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3572 + ... + 9879.

It is an arithmetic number, because the mean of its divisors is an integer number (4237380).

Almost surely, 2^42424454 is an apocalyptic number.

42424454 is a deficient number, since it is larger than the sum of its proper divisors (25373626).

42424454 is a wasteful number, since it uses less digits than its factorization.

42424454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13555.

The product of its digits is 20480, while the sum is 29.

The square root of 42424454 is about 6513.4057143709. The cubic root of 42424454 is about 348.7697049113.

Adding to 42424454 its reverse (45442424), we get a palindrome (87866878).

The spelling of 42424454 in words is "forty-two million, four hundred twenty-four thousand, four hundred fifty-four".