2205326544640 has 36 divisors (see below), whose sum is σ = 5282446242024. Its totient is φ = 882130617344.

The previous prime is 2205326544529. The next prime is 2205326544677. The reversal of 2205326544640 is 464456235022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861454402 + ... + 861456961.

It is an arithmetic number, because the mean of its divisors is an integer number (146734617834).

Almost surely, 2^{2205326544640} is an apocalyptic number.

2205326544640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205326544640 is an abundant number, since it is smaller than the sum of its proper divisors (3077119697384).

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

2205326544640 is an equidigital number, since it uses as much as digits as its factorization.

2205326544640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722911384 (or 1722911370 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 2205326544640 in words is "two trillion, two hundred five billion, three hundred twenty-six million, five hundred forty-four thousand, six hundred forty".