1805580449260 has 24 divisors (see below), whose sum is σ = 4333393078560. Its totient is φ = 619056153984.

The previous prime is 1805580449213. The next prime is 1805580449279. The reversal of 1805580449260 is 629440855081.

It is a junction number, because it is equal to n+sod(n) for n = 1805580449198 and 1805580449207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6448501465 + ... + 6448501744.

It is an arithmetic number, because the mean of its divisors is an integer number (180558044940).

Almost surely, 2^{1805580449260} is an apocalyptic number.

1805580449260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1805580449260 is an abundant number, since it is smaller than the sum of its proper divisors (2527812629300).

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

1805580449260 is a wasteful number, since it uses less digits than its factorization.

1805580449260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12897003225 (or 12897003223 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 1805580449260 in words is "one trillion, eight hundred five billion, five hundred eighty million, four hundred forty-nine thousand, two hundred sixty".