1528920568 has 32 divisors (see below), whose sum is σ = 3468981600. Its totient is φ = 616707072.

The previous prime is 1528920563. The next prime is 1528920577. The reversal of 1528920568 is 8650298251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528920563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802053 + ... + 803956.

It is an arithmetic number, because the mean of its divisors is an integer number (108405675).

Almost surely, 2^1528920568 is an apocalyptic number.

It is an amenable number.

1528920568 is an abundant number, since it is smaller than the sum of its proper divisors (1940061032).

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

1528920568 is a wasteful number, since it uses less digits than its factorization.

1528920568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606039 (or 1606035 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 1528920568 is about 39101.4138874798. The cubic root of 1528920568 is about 1152.0243030335.

The spelling of 1528920568 in words is "one billion, five hundred twenty-eight million, nine hundred twenty thousand, five hundred sixty-eight".