2560917570 has 32 divisors (see below), whose sum is σ = 6507744768. Its totient is φ = 642739968.

The previous prime is 2560917539. The next prime is 2560917571. The reversal of 2560917570 is 757190652.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2560917571) 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, 2510194 + ... + 2511213.

It is an arithmetic number, because the mean of its divisors is an integer number (203367024).

Almost surely, 2^2560917570 is an apocalyptic number.

2560917570 is an abundant number, since it is smaller than the sum of its proper divisors (3946827198).

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

2560917570 is a wasteful number, since it uses less digits than its factorization.

2560917570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021434.

The product of its (nonzero) digits is 132300, while the sum is 42.

The square root of 2560917570 is about 50605.5092850571. The cubic root of 2560917570 is about 1368.1441776755.

The spelling of 2560917570 in words is "two billion, five hundred sixty million, nine hundred seventeen thousand, five hundred seventy".