42008608 has 12 divisors (see below), whose sum is σ = 82704510. Its totient is φ = 21004288.

The previous prime is 42008599. The next prime is 42008609. The reversal of 42008608 is 80680024.

It can be written as a sum of positive squares in only one way, i.e., 37797904 + 4210704 = 6148^2 + 2052^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42008609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656353 + ... + 656416.

Almost surely, 2^42008608 is an apocalyptic number.

It is an amenable number.

42008608 is a deficient number, since it is larger than the sum of its proper divisors (40695902).

42008608 is a wasteful number, since it uses less digits than its factorization.

42008608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312779 (or 1312771 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 42008608 is about 6481.4047860013. The cubic root of 42008608 is about 347.6264101977.

The spelling of 42008608 in words is "forty-two million, eight thousand, six hundred eight".