2560641284 has 12 divisors (see below), whose sum is σ = 4525490508. Its totient is φ = 1267644000.

The previous prime is 2560641247. The next prime is 2560641287. The reversal of 2560641284 is 4821460652.

It can be written as a sum of positive squares in 2 ways, for example, as 2507205184 + 53436100 = 50072^2 + 7310^2 .

It is not an unprimeable number, because it can be changed into a prime (2560641287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3168707 + ... + 3169514.

It is an arithmetic number, because the mean of its divisors is an integer number (377124209).

Almost surely, 2^2560641284 is an apocalyptic number.

It is an amenable number.

2560641284 is a deficient number, since it is larger than the sum of its proper divisors (1964849224).

2560641284 is a wasteful number, since it uses less digits than its factorization.

2560641284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338326 (or 6338324 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 2560641284 is about 50602.7794098308. The cubic root of 2560641284 is about 1368.0949749104.

The spelling of 2560641284 in words is "two billion, five hundred sixty million, six hundred forty-one thousand, two hundred eighty-four".