42530808 has 32 divisors (see below), whose sum is σ = 106502400. Its totient is φ = 14153568.

The previous prime is 42530801. The next prime is 42530809. The reversal of 42530808 is 80803524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42530801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19585 + ... + 21647.

It is an arithmetic number, because the mean of its divisors is an integer number (3328200).

Almost surely, 2^42530808 is an apocalyptic number.

It is an amenable number.

42530808 is an abundant number, since it is smaller than the sum of its proper divisors (63971592).

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

42530808 is a wasteful number, since it uses less digits than its factorization.

42530808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931 (or 2927 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 42530808 is about 6521.5648428886. The cubic root of 42530808 is about 349.0609056738.

The spelling of 42530808 in words is "forty-two million, five hundred thirty thousand, eight hundred eight".