2543068944 has 60 divisors (see below), whose sum is σ = 7664532876. Its totient is φ = 782482176.

The previous prime is 2543068943. The next prime is 2543068961. The reversal of 2543068944 is 4498603452.

2543068944 is a `hidden beast` number, since 2 + 543 + 0 + 68 + 9 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1109689344 + 1433379600 = 33312^2 + 37860^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2543068944.

It is not an unprimeable number, because it can be changed into a prime (2543068943) 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 11 ways as a sum of consecutive naturals, for example, 677367 + ... + 681110.

Almost surely, 2^2543068944 is an apocalyptic number.

2543068944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2543068944 is an abundant number, since it is smaller than the sum of its proper divisors (5121463932).

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

2543068944 is a wasteful number, since it uses less digits than its factorization.

2543068944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358504 (or 1358495 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 2543068944 is about 50428.8503140811. The cubic root of 2543068944 is about 1364.9582823462.

The spelling of 2543068944 in words is "two billion, five hundred forty-three million, sixty-eight thousand, nine hundred forty-four".