2666445048 has 64 divisors (see below), whose sum is σ = 7478764800. Its totient is φ = 880178400.

The previous prime is 2666445017. The next prime is 2666445059. The reversal of 2666445048 is 8405446662.

It is a junction number, because it is equal to n+sod(n) for n = 2666444994 and 2666445012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37678 + ... + 82173.

It is an arithmetic number, because the mean of its divisors is an integer number (116855700).

Almost surely, 2^2666445048 is an apocalyptic number.

It is an amenable number.

2666445048 is an abundant number, since it is smaller than the sum of its proper divisors (4812319752).

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

2666445048 is a wasteful number, since it uses less digits than its factorization.

2666445048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119969 (or 119959 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The square root of 2666445048 is about 51637.6320913343. The cubic root of 2666445048 is about 1386.6841321867.

The spelling of 2666445048 in words is "two billion, six hundred sixty-six million, four hundred forty-five thousand, forty-eight".