2568140898 has 32 divisors (see below), whose sum is σ = 5191917696. Its totient is φ = 846818688.

The previous prime is 2568140893. The next prime is 2568140933. The reversal of 2568140898 is 8980418652.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2568140898.

It is not an unprimeable number, because it can be changed into a prime (2568140891) 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 15 ways as a sum of consecutive naturals, for example, 235515 + ... + 246177.

It is an arithmetic number, because the mean of its divisors is an integer number (162247428).

Almost surely, 2^2568140898 is an apocalyptic number.

2568140898 is an abundant number, since it is smaller than the sum of its proper divisors (2623776798).

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

2568140898 is a wasteful number, since it uses less digits than its factorization.

2568140898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11098.

The product of its (nonzero) digits is 1105920, while the sum is 51.

The square root of 2568140898 is about 50676.8280183360. The cubic root of 2568140898 is about 1369.4293000098.

The spelling of 2568140898 in words is "two billion, five hundred sixty-eight million, one hundred forty thousand, eight hundred ninety-eight".