2560408043 has 4 divisors (see below), whose sum is σ = 2560638600. Its totient is φ = 2560177488.

The previous prime is 2560408033. The next prime is 2560408117. The reversal of 2560408043 is 3408040652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2560408043 - 2⁴ = 2560408027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560408033) 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, 97730 + ... + 121127.

It is an arithmetic number, because the mean of its divisors is an integer number (640159650).

Almost surely, 2^2560408043 is an apocalyptic number.

2560408043 is a deficient number, since it is larger than the sum of its proper divisors (230557).

2560408043 is a wasteful number, since it uses less digits than its factorization.

2560408043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230556.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2560408043 is about 50600.4747309746. The cubic root of 2560408043 is about 1368.0534351171.

Adding to 2560408043 its reverse (3408040652), we get a palindrome (5968448695).

The spelling of 2560408043 in words is "two billion, five hundred sixty million, four hundred eight thousand, forty-three".