42201608 has 16 divisors (see below), whose sum is σ = 81267180. Its totient is φ = 20530368.

The previous prime is 42201589. The next prime is 42201611. The reversal of 42201608 is 80610224.

It can be written as a sum of positive squares in 2 ways, for example, as 41499364 + 702244 = 6442^2 + 838^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70991 + ... + 71582.

Almost surely, 2^42201608 is an apocalyptic number.

It is an amenable number.

42201608 is a deficient number, since it is larger than the sum of its proper divisors (39065572).

42201608 is a wasteful number, since it uses less digits than its factorization.

42201608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142616 (or 142612 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 42201608 is about 6496.2764719491. The cubic root of 42201608 is about 348.1579632541.

The spelling of 42201608 in words is "forty-two million, two hundred one thousand, six hundred eight".