2280540605 has 12 divisors (see below), whose sum is σ = 3183448860. Its totient is φ = 1563799104.

The previous prime is 2280540601. The next prime is 2280540631. The reversal of 2280540605 is 5060450822.

It can be written as a sum of positive squares in 2 ways, for example, as 592727716 + 1687812889 = 24346^2 + 41083^2 .

It is not a de Polignac number, because 2280540605 - 2² = 2280540601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280540601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4653920 + ... + 4654409.

It is an arithmetic number, because the mean of its divisors is an integer number (265287405).

Almost surely, 2^2280540605 is an apocalyptic number.

It is an amenable number.

2280540605 is a deficient number, since it is larger than the sum of its proper divisors (902908255).

2280540605 is an equidigital number, since it uses as much as digits as its factorization.

2280540605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9308348 (or 9308341 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 2280540605 is about 47755.0060726622. The cubic root of 2280540605 is about 1316.2728893121.

The spelling of 2280540605 in words is "two billion, two hundred eighty million, five hundred forty thousand, six hundred five".