528544445825 has 24 divisors (see below), whose sum is σ = 722055499776. Its totient is φ = 380590040000.

The previous prime is 528544445791. The next prime is 528544445839.

528544445825 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 528544445825 - 2¹⁰ = 528544444801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9486977 + ... + 9542526.

It is an arithmetic number, because the mean of its divisors is an integer number (30085645824).

Almost surely, 2^528544445825 is an apocalyptic number.

528544445825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

528544445825 is a deficient number, since it is larger than the sum of its proper divisors (193511053951).

528544445825 is a wasteful number, since it uses less digits than its factorization.

528544445825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19029625 (or 19029620 counting only the distinct ones).

The product of its digits is 40960000, while the sum is 56.

The spelling of 528544445825 in words is "five hundred twenty-eight billion, five hundred forty-four million, four hundred forty-five thousand, eight hundred twenty-five".