441840606807666 has 32 divisors (see below), whose sum is σ = 970951235385600. Its totient is φ = 132927847696080.

The previous prime is 441840606807647. The next prime is 441840606807667. The reversal of 441840606807666 is 666708606048144.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 441840606807597 and 441840606807606.

It is not an unprimeable number, because it can be changed into a prime (441840606807667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24081122656 + ... + 24081141003.

It is an arithmetic number, because the mean of its divisors is an integer number (30342226105800).

Almost surely, 2^{441840606807666} is an apocalyptic number.

441840606807666 is an abundant number, since it is smaller than the sum of its proper divisors (529110628577934).

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

441840606807666 is a wasteful number, since it uses less digits than its factorization.

441840606807666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48162263814.

The product of its (nonzero) digits is 222953472, while the sum is 66.

The spelling of 441840606807666 in words is "four hundred forty-one trillion, eight hundred forty billion, six hundred six million, eight hundred seven thousand, six hundred sixty-six".