42342004 has 18 divisors (see below), whose sum is σ = 74850230. Its totient is φ = 20958336.

The previous prime is 42341987. The next prime is 42342043. The reversal of 42342004 is 40024324.

It can be written as a sum of positive squares in 3 ways, for example, as 2044900 + 40297104 = 1430^2 + 6348^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 50662 + ... + 51490.

Almost surely, 2^42342004 is an apocalyptic number.

It is an amenable number.

42342004 is a deficient number, since it is larger than the sum of its proper divisors (32508226).

42342004 is a wasteful number, since it uses less digits than its factorization.

42342004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 42342004 is about 6507.0733820974. The cubic root of 42342004 is about 348.5436190237.

Adding to 42342004 its reverse (40024324), we get a palindrome (82366328).

The spelling of 42342004 in words is "forty-two million, three hundred forty-two thousand, four".