42340030 has 16 divisors (see below), whose sum is σ = 80695440. Its totient is φ = 15939712.

The previous prime is 42340027. The next prime is 42340049. The reversal of 42340030 is 3004324.

42340030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42339986 and 42340013.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 124360 + ... + 124699.

It is an arithmetic number, because the mean of its divisors is an integer number (5043465).

Almost surely, 2^42340030 is an apocalyptic number.

42340030 is a deficient number, since it is larger than the sum of its proper divisors (38355410).

42340030 is a wasteful number, since it uses less digits than its factorization.

42340030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249083.

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

The square root of 42340030 is about 6506.9216992369. The cubic root of 42340030 is about 348.5382025284.

Adding to 42340030 its reverse (3004324), we get a palindrome (45344354).

The spelling of 42340030 in words is "forty-two million, three hundred forty thousand, thirty".