42118808 has 16 divisors (see below), whose sum is σ = 80899560. Its totient is φ = 20545600.

The previous prime is 42118789. The next prime is 42118823. The reversal of 42118808 is 80881124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63878 + ... + 64533.

Almost surely, 2^42118808 is an apocalyptic number.

It is an amenable number.

42118808 is a deficient number, since it is larger than the sum of its proper divisors (38780752).

42118808 is a wasteful number, since it uses less digits than its factorization.

42118808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128458 (or 128454 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 42118808 is about 6489.9004614863. The cubic root of 42118808 is about 347.9301176452.

The spelling of 42118808 in words is "forty-two million, one hundred eighteen thousand, eight hundred eight".