2560455571 has 8 divisors (see below), whose sum is σ = 2643673088. Its totient is φ = 2477277000.

The previous prime is 2560455563. The next prime is 2560455581. The reversal of 2560455571 is 1755540652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2560455571 - 2³ = 2560455563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560455581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187816 + ... + 200986.

It is an arithmetic number, because the mean of its divisors is an integer number (330459136).

Almost surely, 2^2560455571 is an apocalyptic number.

2560455571 is a deficient number, since it is larger than the sum of its proper divisors (83217517).

2560455571 is a wasteful number, since it uses less digits than its factorization.

2560455571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19473.

The product of its (nonzero) digits is 210000, while the sum is 40.

The square root of 2560455571 is about 50600.9443686578. The cubic root of 2560455571 is about 1368.0618999712.

The spelling of 2560455571 in words is "two billion, five hundred sixty million, four hundred fifty-five thousand, five hundred seventy-one".