4416566640860 has 24 divisors (see below), whose sum is σ = 10117952668656. Its totient is φ = 1606024232960.

The previous prime is 4416566640847. The next prime is 4416566640869. The reversal of 4416566640860 is 680466656144.

It is a junction number, because it is equal to n+sod(n) for n = 4416566640796 and 4416566640805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4416566640869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10037651237 + ... + 10037651676.

It is an arithmetic number, because the mean of its divisors is an integer number (421581361194).

Almost surely, 2^{4416566640860} is an apocalyptic number.

It is an amenable number.

4416566640860 is an abundant number, since it is smaller than the sum of its proper divisors (5701386027796).

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

4416566640860 is a wasteful number, since it uses less digits than its factorization.

4416566640860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20075302933 (or 20075302931 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 4416566640860 in words is "four trillion, four hundred sixteen billion, five hundred sixty-six million, six hundred forty thousand, eight hundred sixty".