3648818560 has 64 divisors (see below), whose sum is σ = 8747805600. Its totient is φ = 1455370240.

The previous prime is 3648818533. The next prime is 3648818573. The reversal of 3648818560 is 658188463.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 221820 + ... + 237700.

Almost surely, 2^3648818560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3648818560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4373902800).

3648818560 is an abundant number, since it is smaller than the sum of its proper divisors (5098987040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3648818560 is a wasteful number, since it uses less digits than its factorization.

3648818560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16259 (or 16247 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The square root of 3648818560 is about 60405.4514096203. The cubic root of 3648818560 is about 1539.5155838518.

The spelling of 3648818560 in words is "three billion, six hundred forty-eight million, eight hundred eighteen thousand, five hundred sixty".