2205418712680 has 16 divisors (see below), whose sum is σ = 4962192103620. Its totient is φ = 882167485056.

The previous prime is 2205418712671. The next prime is 2205418712701. The reversal of 2205418712680 is 862178145022.

It can be written as a sum of positive squares in 2 ways, for example, as 2204351906436 + 1066806244 = 1484706^2 + 32662^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2205418712680.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27567733869 + ... + 27567733948.

Almost surely, 2^{2205418712680} is an apocalyptic number.

2205418712680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205418712680 is an abundant number, since it is smaller than the sum of its proper divisors (2756773390940).

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

2205418712680 is a wasteful number, since it uses less digits than its factorization.

2205418712680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55135467828 (or 55135467824 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 2205418712680 in words is "two trillion, two hundred five billion, four hundred eighteen million, seven hundred twelve thousand, six hundred eighty".