2528489560 has 64 divisors (see below), whose sum is σ = 6057698400. Its totient is φ = 946538496.

The previous prime is 2528489519. The next prime is 2528489641. The reversal of 2528489560 is 659848252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111334 + ... + 132106.

Almost surely, 2^2528489560 is an apocalyptic number.

2528489560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2528489560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3028849200).

2528489560 is an abundant number, since it is smaller than the sum of its proper divisors (3529208840).

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

2528489560 is a wasteful number, since it uses less digits than its factorization.

2528489560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20980 (or 20976 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The square root of 2528489560 is about 50284.0885370313. The cubic root of 2528489560 is about 1362.3448518455.

The spelling of 2528489560 in words is "two billion, five hundred twenty-eight million, four hundred eighty-nine thousand, five hundred sixty".