4540450472666 has 8 divisors (see below), whose sum is σ = 6922326130644. Its totient is φ = 2233008429120.

The previous prime is 4540450472659. The next prime is 4540450472681. The reversal of 4540450472666 is 6662740540454.

It can be written as a sum of positive squares in 2 ways, for example, as 2986775476441 + 1553674996225 = 1728229^2 + 1246465^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 18608403455 + ... + 18608403698.

Almost surely, 2^{4540450472666} is an apocalyptic number.

4540450472666 is a deficient number, since it is larger than the sum of its proper divisors (2381875657978).

4540450472666 is a wasteful number, since it uses less digits than its factorization.

4540450472666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37216807216.

The product of its (nonzero) digits is 19353600, while the sum is 53.

The spelling of 4540450472666 in words is "four trillion, five hundred forty billion, four hundred fifty million, four hundred seventy-two thousand, six hundred sixty-six".