2580278528 has 36 divisors (see below), whose sum is σ = 5234943588. Its totient is φ = 1268981760.

The previous prime is 2580278471. The next prime is 2580278537. The reversal of 2580278528 is 8258720852.

It can be written as a sum of positive squares in 2 ways, for example, as 577537024 + 2002741504 = 24032^2 + 44752^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67001 + ... + 98232.

Almost surely, 2^2580278528 is an apocalyptic number.

It is an amenable number.

2580278528 is an abundant number, since it is smaller than the sum of its proper divisors (2654665060).

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

2580278528 is an equidigital number, since it uses as much as digits as its factorization.

2580278528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165310 (or 165296 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 47.

The square root of 2580278528 is about 50796.4420801300. The cubic root of 2580278528 is about 1371.5833236746.

The spelling of 2580278528 in words is "two billion, five hundred eighty million, two hundred seventy-eight thousand, five hundred twenty-eight".