2560550399 has 16 divisors (see below), whose sum is σ = 2809464480. Its totient is φ = 2314368000.

The previous prime is 2560550329. The next prime is 2560550407. The reversal of 2560550399 is 9930550652.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2560550399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560550309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2537207 + ... + 2538215.

It is an arithmetic number, because the mean of its divisors is an integer number (175591530).

Almost surely, 2^2560550399 is an apocalyptic number.

2560550399 is a deficient number, since it is larger than the sum of its proper divisors (248914081).

2560550399 is a wasteful number, since it uses less digits than its factorization.

2560550399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122.

The product of its (nonzero) digits is 364500, while the sum is 44.

The square root of 2560550399 is about 50601.8813780674. The cubic root of 2560550399 is about 1368.0787887589.

The spelling of 2560550399 in words is "two billion, five hundred sixty million, five hundred fifty thousand, three hundred ninety-nine".