2560220260 has 24 divisors (see below), whose sum is σ = 5790037176. Its totient is φ = 945312000.

The previous prime is 2560220239. The next prime is 2560220263. The reversal of 2560220260 is 620220652.

It can be written as a sum of positive squares in 4 ways, for example, as 17842176 + 2542378084 = 4224^2 + 50422^2 .

It is not an unprimeable number, because it can be changed into a prime (2560220263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4923241 + ... + 4923760.

It is an arithmetic number, because the mean of its divisors is an integer number (241251549).

Almost surely, 2^2560220260 is an apocalyptic number.

2560220260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2560220260 is an abundant number, since it is smaller than the sum of its proper divisors (3229816916).

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

2560220260 is a wasteful number, since it uses less digits than its factorization.

2560220260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9847023 (or 9847021 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2560220260 is about 50598.6191511191. The cubic root of 2560220260 is about 1368.0199894768.

The spelling of 2560220260 in words is "two billion, five hundred sixty million, two hundred twenty thousand, two hundred sixty".