5638844528 has 20 divisors (see below), whose sum is σ = 10927064760. Its totient is φ = 2818956864.

The previous prime is 5638844507. The next prime is 5638844551. The reversal of 5638844528 is 8254488365.

It is a super-2 number, since 2×5638844528² = 63593135221911085568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5638844528.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84251 + ... + 135557.

It is an arithmetic number, because the mean of its divisors is an integer number (546353238).

Almost surely, 2^5638844528 is an apocalyptic number.

It is an amenable number.

5638844528 is a deficient number, since it is larger than the sum of its proper divisors (5288220232).

5638844528 is a wasteful number, since it uses less digits than its factorization.

5638844528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58184 (or 58178 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 53.

The square root of 5638844528 is about 75092.2401317207. The cubic root of 5638844528 is about 1779.9045237684.

The spelling of 5638844528 in words is "five billion, six hundred thirty-eight million, eight hundred forty-four thousand, five hundred twenty-eight".