42065008 has 20 divisors (see below), whose sum is σ = 83397688. Its totient is φ = 20543040.

The previous prime is 42064973. The next prime is 42065011. The reversal of 42065008 is 80056024.

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, 29883 + ... + 31258.

Almost surely, 2^42065008 is an apocalyptic number.

It is an amenable number.

42065008 is a deficient number, since it is larger than the sum of its proper divisors (41332680).

42065008 is a wasteful number, since it uses less digits than its factorization.

42065008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61192 (or 61186 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 42065008 is about 6485.7542352451. The cubic root of 42065008 is about 347.7819129445.

The spelling of 42065008 in words is "forty-two million, sixty-five thousand, eight".