52528444840 has 32 divisors (see below), whose sum is σ = 125141296680. Its totient is φ = 19775414272.

The previous prime is 52528444819. The next prime is 52528444873. The reversal of 52528444840 is 4844482525.

52528444840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 52332052644 + 196392196 = 228762^2 + 14014^2 .

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, 38623177 + ... + 38624536.

Almost surely, 2^52528444840 is an apocalyptic number.

It is an amenable number.

52528444840 is an abundant number, since it is smaller than the sum of its proper divisors (72612851840).

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

52528444840 is a wasteful number, since it uses less digits than its factorization.

52528444840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77247741 (or 77247737 counting only the distinct ones).

The product of its (nonzero) digits is 1638400, while the sum is 46.

The spelling of 52528444840 in words is "fifty-two billion, five hundred twenty-eight million, four hundred forty-four thousand, eight hundred forty".