650008648 has 32 divisors (see below), whose sum is σ = 1229187960. Its totient is φ = 322237440.

The previous prime is 650008627. The next prime is 650008663. The reversal of 650008648 is 846800056.

It can be written as a sum of positive squares in 4 ways, for example, as 433389124 + 216619524 = 20818^2 + 14718^2 .

It is a super-2 number, since 2×650008648² = 845022484949575808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858286 + ... + 859042.

Almost surely, 2^650008648 is an apocalyptic number.

It is an amenable number.

650008648 is a deficient number, since it is larger than the sum of its proper divisors (579179312).

650008648 is a wasteful number, since it uses less digits than its factorization.

650008648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 650008648 is about 25495.2671686335. The cubic root of 650008648 is about 866.2429469832.

The spelling of 650008648 in words is "six hundred fifty million, eight thousand, six hundred forty-eight".