42342044 has 12 divisors (see below), whose sum is σ = 75114144. Its totient is φ = 20880864.

The previous prime is 42342043. The next prime is 42342049. The reversal of 42342044 is 44024324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42342043) 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, 72212 + ... + 72795.

It is an arithmetic number, because the mean of its divisors is an integer number (6259512).

Almost surely, 2^42342044 is an apocalyptic number.

It is an amenable number.

42342044 is a deficient number, since it is larger than the sum of its proper divisors (32772100).

42342044 is a wasteful number, since it uses less digits than its factorization.

42342044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145084 (or 145082 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 42342044 is about 6507.0764556750. The cubic root of 42342044 is about 348.5437287787.

Adding to 42342044 its reverse (44024324), we get a palindrome (86366368).

The spelling of 42342044 in words is "forty-two million, three hundred forty-two thousand, forty-four".