2560653786 has 16 divisors (see below), whose sum is σ = 5131375200. Its totient is φ = 851873328.

The previous prime is 2560653761. The next prime is 2560653817. The reversal of 2560653786 is 6873560652.

It is a super-3 number, since 3×2560653786³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416176 + ... + 422283.

It is an arithmetic number, because the mean of its divisors is an integer number (320710950).

Almost surely, 2^2560653786 is an apocalyptic number.

2560653786 is an abundant number, since it is smaller than the sum of its proper divisors (2570721414).

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

2560653786 is a wasteful number, since it uses less digits than its factorization.

2560653786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838973.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The square root of 2560653786 is about 50602.9029404440. The cubic root of 2560653786 is about 1368.0972014224.

The spelling of 2560653786 in words is "two billion, five hundred sixty million, six hundred fifty-three thousand, seven hundred eighty-six".