3668452717220 has 24 divisors (see below), whose sum is σ = 7737391548600. Its totient is φ = 1460973307392.

The previous prime is 3668452717217. The next prime is 3668452717243. The reversal of 3668452717220 is 227172548663.

It can be written as a sum of positive squares in 4 ways, for example, as 687864549376 + 2980588167844 = 829376^2 + 1726438^2 .

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 7 ways as a sum of consecutive naturals, for example, 400481525 + ... + 400490684.

It is an arithmetic number, because the mean of its divisors is an integer number (322391314525).

Almost surely, 2^{3668452717220} is an apocalyptic number.

It is an amenable number.

3668452717220 is an abundant number, since it is smaller than the sum of its proper divisors (4068938831380).

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

3668452717220 is a wasteful number, since it uses less digits than its factorization.

3668452717220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800972447 (or 800972445 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 3668452717220 in words is "three trillion, six hundred sixty-eight billion, four hundred fifty-two million, seven hundred seventeen thousand, two hundred twenty".