42004330 has 8 divisors (see below), whose sum is σ = 75607812. Its totient is φ = 16801728.

The previous prime is 42004321. The next prime is 42004343. The reversal of 42004330 is 3340024.

42004330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37124649 + 4879681 = 6093^2 + 2209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100207 + ... + 2100226.

Almost surely, 2^42004330 is an apocalyptic number.

42004330 is a deficient number, since it is larger than the sum of its proper divisors (33603482).

42004330 is a wasteful number, since it uses less digits than its factorization.

42004330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200440.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 42004330 is about 6481.0747565508. The cubic root of 42004330 is about 347.6146094713.

Adding to 42004330 its reverse (3340024), we get a palindrome (45344354).

The spelling of 42004330 in words is "forty-two million, four thousand, three hundred thirty".