2600066444 has 12 divisors (see below), whose sum is σ = 4551675744. Its totient is φ = 1299587664.

The previous prime is 2600066429. The next prime is 2600066449. The reversal of 2600066444 is 4446600062.

It is a self number, because there is not a number n which added to its sum of digits gives 2600066444.

It is not an unprimeable number, because it can be changed into a prime (2600066449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98084 + ... + 121739.

It is an arithmetic number, because the mean of its divisors is an integer number (379306312).

Almost surely, 2^2600066444 is an apocalyptic number.

It is an amenable number.

2600066444 is a deficient number, since it is larger than the sum of its proper divisors (1951609300).

2600066444 is a wasteful number, since it uses less digits than its factorization.

2600066444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222784 (or 222782 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 2600066444 is about 50990.8466687895. The cubic root of 2600066444 is about 1375.0805804456.

The spelling of 2600066444 in words is "two billion, six hundred million, sixty-six thousand, four hundred forty-four".