42406324 has 12 divisors (see below), whose sum is σ = 74539584. Its totient is φ = 21109304.

The previous prime is 42406297. The next prime is 42406327. The reversal of 42406324 is 42360424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42406327) 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 3 ways as a sum of consecutive naturals, for example, 22444 + ... + 24259.

It is an arithmetic number, because the mean of its divisors is an integer number (6211632).

Almost surely, 2^42406324 is an apocalyptic number.

It is an amenable number.

42406324 is a deficient number, since it is larger than the sum of its proper divisors (32133260).

42406324 is a wasteful number, since it uses less digits than its factorization.

42406324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46934 (or 46932 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 42406324 is about 6512.0138206242. The cubic root of 42406324 is about 348.7200158358.

Adding to 42406324 its reverse (42360424), we get a palindrome (84766748).

The spelling of 42406324 in words is "forty-two million, four hundred six thousand, three hundred twenty-four".