2528039808 has 384 divisors, whose sum is σ = 9142398720. Its totient is φ = 678813696.

The previous prime is 2528039777. The next prime is 2528039809. The reversal of 2528039808 is 8089308252.

2528039808 is a `hidden beast` number, since 252 + 8 + 0 + 398 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528039809) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3701035 + ... + 3701717.

It is an arithmetic number, because the mean of its divisors is an integer number (23808330).

Almost surely, 2^2528039808 is an apocalyptic number.

2528039808 is a gapful number since it is divisible by the number (28) 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 2528039808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4571199360).

2528039808 is an abundant number, since it is smaller than the sum of its proper divisors (6614358912).

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

2528039808 is an equidigital number, since it uses as much as digits as its factorization.

2528039808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 2528039808 is about 50279.6162276523. The cubic root of 2528039808 is about 1362.2640719121.

The spelling of 2528039808 in words is "two billion, five hundred twenty-eight million, thirty-nine thousand, eight hundred eight".