42068408 has 16 divisors (see below), whose sum is σ = 81010680. Its totient is φ = 20465568.

The previous prime is 42068407. The next prime is 42068417. The reversal of 42068408 is 80486024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42068407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70766 + ... + 71357.

Almost surely, 2^42068408 is an apocalyptic number.

It is an amenable number.

42068408 is a deficient number, since it is larger than the sum of its proper divisors (38942272).

42068408 is a wasteful number, since it uses less digits than its factorization.

42068408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142166 (or 142162 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 42068408 is about 6486.0163428718. The cubic root of 42068408 is about 347.7912827802.

The spelling of 42068408 in words is "forty-two million, sixty-eight thousand, four hundred eight".