4487656648 has 16 divisors (see below), whose sum is σ = 8418415500. Its totient is φ = 2242745856.

The previous prime is 4487656631. The next prime is 4487656697. The reversal of 4487656648 is 8466567844.

It can be written as a sum of positive squares in 2 ways, for example, as 4433162724 + 54493924 = 66582^2 + 7382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4487656592 and 4487656601.

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, 117553 + ... + 150976.

Almost surely, 2^4487656648 is an apocalyptic number.

It is an amenable number.

4487656648 is a deficient number, since it is larger than the sum of its proper divisors (3930758852).

4487656648 is a wasteful number, since it uses less digits than its factorization.

4487656648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270624 (or 270620 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 58.

The square root of 4487656648 is about 66989.9742349555. The cubic root of 4487656648 is about 1649.4527291843.

The spelling of 4487656648 in words is "four billion, four hundred eighty-seven million, six hundred fifty-six thousand, six hundred forty-eight".