2544666241 has 8 divisors (see below), whose sum is σ = 2742505920. Its totient is φ = 2347126032.

The previous prime is 2544666239. The next prime is 2544666247. The reversal of 2544666241 is 1426664452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2544666241 - 2¹ = 2544666239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2544666194 and 2544666203.

It is not an unprimeable number, because it can be changed into a prime (2544666247) 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, 57055 + ... + 91348.

It is an arithmetic number, because the mean of its divisors is an integer number (342813240).

Almost surely, 2^2544666241 is an apocalyptic number.

It is an amenable number.

2544666241 is a deficient number, since it is larger than the sum of its proper divisors (197839679).

2544666241 is a wasteful number, since it uses less digits than its factorization.

2544666241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149735.

The product of its digits is 276480, while the sum is 40.

The square root of 2544666241 is about 50444.6849628383. The cubic root of 2544666241 is about 1365.2439984773.

The spelling of 2544666241 in words is "two billion, five hundred forty-four million, six hundred sixty-six thousand, two hundred forty-one".