2205205315240 has 32 divisors (see below), whose sum is σ = 5253577370280. Its totient is φ = 830194941952.

The previous prime is 2205205315219. The next prime is 2205205315273. The reversal of 2205205315240 is 425135025022.

It can be written as a sum of positive squares in 4 ways, for example, as 1559686267876 + 645519047364 = 1248874^2 + 803442^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1621473817 + ... + 1621475176.

Almost surely, 2^{2205205315240} is an apocalyptic number.

2205205315240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205205315240 is an abundant number, since it is smaller than the sum of its proper divisors (3048372055040).

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

2205205315240 is a wasteful number, since it uses less digits than its factorization.

2205205315240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242949021 (or 3242949017 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 2205205315240 in words is "two trillion, two hundred five billion, two hundred five million, three hundred fifteen thousand, two hundred forty".