42340808 has 16 divisors (see below), whose sum is σ = 79722060. Its totient is φ = 21081600.

The previous prime is 42340807. The next prime is 42340811. The reversal of 42340808 is 80804324.

It can be written as a sum of positive squares in 2 ways, for example, as 38962564 + 3378244 = 6242^2 + 1838^2 .

It is not an unprimeable number, because it can be changed into a prime (42340807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9053 + ... + 12908.

Almost surely, 2^42340808 is an apocalyptic number.

It is an amenable number.

42340808 is a deficient number, since it is larger than the sum of its proper divisors (37381252).

42340808 is a wasteful number, since it uses less digits than its factorization.

42340808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22208 (or 22204 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 42340808 is about 6506.9814814551. The cubic root of 42340808 is about 348.5403373172.

The spelling of 42340808 in words is "forty-two million, three hundred forty thousand, eight hundred eight".