2565248144 has 40 divisors (see below), whose sum is σ = 5193149760. Its totient is φ = 1225228928.

The previous prime is 2565248141. The next prime is 2565248149. The reversal of 2565248144 is 4418425652.

It is not an unprimeable number, because it can be changed into a prime (2565248141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300122 + ... + 308550.

It is an arithmetic number, because the mean of its divisors is an integer number (129828744).

Almost surely, 2^2565248144 is an apocalyptic number.

It is an amenable number.

2565248144 is an abundant number, since it is smaller than the sum of its proper divisors (2627901616).

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

2565248144 is a wasteful number, since it uses less digits than its factorization.

2565248144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9287 (or 9281 counting only the distinct ones).

The product of its digits is 307200, while the sum is 41.

The square root of 2565248144 is about 50648.2787861542. The cubic root of 2565248144 is about 1368.9149317623.

The spelling of 2565248144 in words is "two billion, five hundred sixty-five million, two hundred forty-eight thousand, one hundred forty-four".