3666882075280 has 40 divisors (see below), whose sum is σ = 8525603167992. Its totient is φ = 1466735222784.

The previous prime is 3666882075277. The next prime is 3666882075299. The reversal of 3666882075280 is 825702886663.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1357308881296 + 2309573193984 = 1165036^2 + 1519728^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7963014 + ... + 8410906.

Almost surely, 2^{3666882075280} is an apocalyptic number.

It is an amenable number.

3666882075280 is an abundant number, since it is smaller than the sum of its proper divisors (4858721092712).

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

3666882075280 is a wasteful number, since it uses less digits than its factorization.

3666882075280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550243 (or 550237 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 3666882075280 in words is "three trillion, six hundred sixty-six billion, eight hundred eighty-two million, seventy-five thousand, two hundred eighty".