42518508 has 24 divisors (see below), whose sum is σ = 101083248. Its totient is φ = 13905216.

The previous prime is 42518507. The next prime is 42518519. The reversal of 42518508 is 80581524.

42518508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42518507) by changing a digit.

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, 32791 + ... + 34062.

It is an arithmetic number, because the mean of its divisors is an integer number (4211802).

Almost surely, 2^42518508 is an apocalyptic number.

It is an amenable number.

42518508 is an abundant number, since it is smaller than the sum of its proper divisors (58564740).

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

42518508 is a wasteful number, since it uses less digits than its factorization.

42518508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66913 (or 66911 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 42518508 is about 6520.6217494960. The cubic root of 42518508 is about 349.0272527110.

The spelling of 42518508 in words is "forty-two million, five hundred eighteen thousand, five hundred eight".