2444466661 has 16 divisors (see below), whose sum is σ = 3020588928. Its totient is φ = 1926360000.

The previous prime is 2444466643. The next prime is 2444466677. The reversal of 2444466661 is 1666644442.

It is a cyclic number.

It is not a de Polignac number, because 2444466661 - 2²⁷ = 2310248933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444466361) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 30670 + ... + 76351.

It is an arithmetic number, because the mean of its divisors is an integer number (188786808).

Almost surely, 2^2444466661 is an apocalyptic number.

It is an amenable number.

2444466661 is a deficient number, since it is larger than the sum of its proper divisors (576122267).

2444466661 is a wasteful number, since it uses less digits than its factorization.

2444466661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107292.

The product of its digits is 663552, while the sum is 43.

The square root of 2444466661 is about 49441.5479227744. The cubic root of 2444466661 is about 1347.0840878814.

The spelling of 2444466661 in words is "two billion, four hundred forty-four million, four hundred sixty-six thousand, six hundred sixty-one".