528020401803 has 16 divisors (see below), whose sum is σ = 711211832832. Its totient is φ = 348437880000.

The previous prime is 528020401763. The next prime is 528020401807. The reversal of 528020401803 is 308104020825.

It is not a de Polignac number, because 528020401803 - 2⁹ = 528020401291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (528020401807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1946743 + ... + 2201328.

It is an arithmetic number, because the mean of its divisors is an integer number (44450739552).

Almost surely, 2^528020401803 is an apocalyptic number.

528020401803 is a deficient number, since it is larger than the sum of its proper divisors (183191431029).

528020401803 is a wasteful number, since it uses less digits than its factorization.

528020401803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148506.

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 528020401803 in words is "five hundred twenty-eight billion, twenty million, four hundred one thousand, eight hundred three".