2540261068 has 12 divisors (see below), whose sum is σ = 4475293200. Its totient is φ = 1261605872.

The previous prime is 2540261063. The next prime is 2540261093. The reversal of 2540261068 is 8601620452.

It is not an unprimeable number, because it can be changed into a prime (2540261063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2130496 + ... + 2131687.

It is an arithmetic number, because the mean of its divisors is an integer number (372941100).

Almost surely, 2^2540261068 is an apocalyptic number.

It is an amenable number.

2540261068 is a deficient number, since it is larger than the sum of its proper divisors (1935032132).

2540261068 is a wasteful number, since it uses less digits than its factorization.

2540261068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262336 (or 4262334 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 2540261068 is about 50401.0026487569. The cubic root of 2540261068 is about 1364.4557340307.

The spelling of 2540261068 in words is "two billion, five hundred forty million, two hundred sixty-one thousand, sixty-eight".