42608648 has 8 divisors (see below), whose sum is σ = 79891230. Its totient is φ = 21304320.

The previous prime is 42608641. The next prime is 42608651. The reversal of 42608648 is 84680624.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40424164 + 2184484 = 6358^2 + 1478^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42608641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2663033 + ... + 2663048.

Almost surely, 2^42608648 is an apocalyptic number.

It is an amenable number.

42608648 is a deficient number, since it is larger than the sum of its proper divisors (37282582).

42608648 is a wasteful number, since it uses less digits than its factorization.

42608648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326087 (or 5326083 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 42608648 is about 6527.5300075909. The cubic root of 42608648 is about 349.2737266297.

The spelling of 42608648 in words is "forty-two million, six hundred eight thousand, six hundred forty-eight".