42030342 has 48 divisors (see below), whose sum is σ = 93721680. Its totient is φ = 13608000.

The previous prime is 42030319. The next prime is 42030343. The reversal of 42030342 is 24303024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42030343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110709 + ... + 111087.

It is an arithmetic number, because the mean of its divisors is an integer number (1952535).

Almost surely, 2^42030342 is an apocalyptic number.

42030342 is an abundant number, since it is smaller than the sum of its proper divisors (51691338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42030342 is a wasteful number, since it uses less digits than its factorization.

42030342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42030342 is about 6483.0812118930. The cubic root of 42030342 is about 347.6863503716.

Adding to 42030342 its reverse (24303024), we get a palindrome (66333366).

The spelling of 42030342 in words is "forty-two million, thirty thousand, three hundred forty-two".