2560558326 has 64 divisors (see below), whose sum is σ = 5541877440. Its totient is φ = 785756160.

The previous prime is 2560558303. The next prime is 2560558327. The reversal of 2560558326 is 6238550652.

2560558326 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560558327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1224690 + ... + 1226778.

It is an arithmetic number, because the mean of its divisors is an integer number (86591835).

Almost surely, 2^2560558326 is an apocalyptic number.

2560558326 is an abundant number, since it is smaller than the sum of its proper divisors (2981319114).

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

2560558326 is a wasteful number, since it uses less digits than its factorization.

2560558326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369.

The product of its (nonzero) digits is 432000, while the sum is 42.

The square root of 2560558326 is about 50601.9597051340. The cubic root of 2560558326 is about 1368.0802005322.

The spelling of 2560558326 in words is "two billion, five hundred sixty million, five hundred fifty-eight thousand, three hundred twenty-six".