2528802740 has 48 divisors (see below), whose sum is σ = 5530944384. Its totient is φ = 970300800.

The previous prime is 2528802721. The next prime is 2528802743. The reversal of 2528802740 is 472088252.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2528802694 and 2528802703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528802743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28475 + ... + 76605.

It is an arithmetic number, because the mean of its divisors is an integer number (115228008).

Almost surely, 2^2528802740 is an apocalyptic number.

2528802740 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 2528802740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2765472192).

2528802740 is an abundant number, since it is smaller than the sum of its proper divisors (3002141644).

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

2528802740 is a wasteful number, since it uses less digits than its factorization.

2528802740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48248 (or 48246 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 2528802740 is about 50287.2025469701. The cubic root of 2528802740 is about 1362.4010964316.

The spelling of 2528802740 in words is "two billion, five hundred twenty-eight million, eight hundred two thousand, seven hundred forty".