528532345412 has 24 divisors (see below), whose sum is σ = 942426489816. Its totient is φ = 259268092928.

The previous prime is 528532345391. The next prime is 528532345477. The reversal of 528532345412 is 214543235825.

It can be written as a sum of positive squares in 4 ways, for example, as 65283316036 + 463249029376 = 255506^2 + 680624^2 .

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, 6137678 + ... + 6223194.

It is an arithmetic number, because the mean of its divisors is an integer number (39267770409).

Almost surely, 2^528532345412 is an apocalyptic number.

It is an amenable number.

528532345412 is a deficient number, since it is larger than the sum of its proper divisors (413894144404).

528532345412 is a wasteful number, since it uses less digits than its factorization.

528532345412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114727 (or 114725 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 44.

The spelling of 528532345412 in words is "five hundred twenty-eight billion, five hundred thirty-two million, three hundred forty-five thousand, four hundred twelve".