4208420648 has 8 divisors (see below), whose sum is σ = 7890788730. Its totient is φ = 2104210320.

The previous prime is 4208420641. The next prime is 4208420651. The reversal of 4208420648 is 8460248024.

It can be written as a sum of positive squares in only one way, i.e., 4157412484 + 51008164 = 64478^2 + 7142^2 .

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 (4208420641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263026283 + ... + 263026298.

Almost surely, 2^4208420648 is an apocalyptic number.

It is an amenable number.

4208420648 is a deficient number, since it is larger than the sum of its proper divisors (3682368082).

4208420648 is a wasteful number, since it uses less digits than its factorization.

4208420648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526052587 (or 526052583 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 38.

The square root of 4208420648 is about 64872.3411632415. The cubic root of 4208420648 is about 1614.5061892886.

The spelling of 4208420648 in words is "four billion, two hundred eight million, four hundred twenty thousand, six hundred forty-eight".