42042332 has 12 divisors (see below), whose sum is σ = 73945200. Its totient is φ = 20915136.

The previous prime is 42042331. The next prime is 42042349. The reversal of 42042332 is 23324024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42042331) 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, 25613 + ... + 27204.

It is an arithmetic number, because the mean of its divisors is an integer number (6162100).

Almost surely, 2^42042332 is an apocalyptic number.

It is an amenable number.

42042332 is a deficient number, since it is larger than the sum of its proper divisors (31902868).

42042332 is a wasteful number, since it uses less digits than its factorization.

42042332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53020 (or 53018 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42042332 is about 6484.0058605772. The cubic root of 42042332 is about 347.7194087353.

Adding to 42042332 its reverse (23324024), we get a palindrome (65366356).

The spelling of 42042332 in words is "forty-two million, forty-two thousand, three hundred thirty-two".