2528252660 has 24 divisors (see below), whose sum is σ = 5399321760. Its totient is φ = 994159904.

The previous prime is 2528252633. The next prime is 2528252677. The reversal of 2528252660 is 662528252.

It is a congruent number.

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, 1070114 + ... + 1072473.

It is an arithmetic number, because the mean of its divisors is an integer number (224971740).

Almost surely, 2^2528252660 is an apocalyptic number.

2528252660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2528252660 is an abundant number, since it is smaller than the sum of its proper divisors (2871069100).

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

2528252660 is a wasteful number, since it uses less digits than its factorization.

2528252660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142655 (or 2142653 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 2528252660 is about 50281.7328659226. The cubic root of 2528252660 is about 1362.3023034429.

The spelling of 2528252660 in words is "two billion, five hundred twenty-eight million, two hundred fifty-two thousand, six hundred sixty".