42508608 has 28 divisors (see below), whose sum is σ = 112471200. Its totient is φ = 14169472.

The previous prime is 42508573. The next prime is 42508621. The reversal of 42508608 is 80680524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110508 + ... + 110891.

Almost surely, 2^42508608 is an apocalyptic number.

42508608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42508608 is an abundant number, since it is smaller than the sum of its proper divisors (69962592).

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

42508608 is a wasteful number, since it uses less digits than its factorization.

42508608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221414 (or 221404 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 42508608 is about 6519.8625752388. The cubic root of 42508608 is about 349.0001614655. Note that the first 3 decimals are identical.

The spelling of 42508608 in words is "forty-two million, five hundred eight thousand, six hundred eight".