2544487441 has 4 divisors (see below), whose sum is σ = 2592496692. Its totient is φ = 2496478192.

The previous prime is 2544487433. The next prime is 2544487481. The reversal of 2544487441 is 1447844452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1733889600 + 810597841 = 41640^2 + 28471^2 .

It is a cyclic number.

It is not a de Polignac number, because 2544487441 - 2³ = 2544487433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2544487411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24004546 + ... + 24004651.

It is an arithmetic number, because the mean of its divisors is an integer number (648124173).

Almost surely, 2^2544487441 is an apocalyptic number.

It is an amenable number.

2544487441 is a deficient number, since it is larger than the sum of its proper divisors (48009251).

2544487441 is an equidigital number, since it uses as much as digits as its factorization.

2544487441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48009250.

The product of its digits is 573440, while the sum is 43.

The square root of 2544487441 is about 50442.9126934597. The cubic root of 2544487441 is about 1365.2120216126.

The spelling of 2544487441 in words is "two billion, five hundred forty-four million, four hundred eighty-seven thousand, four hundred forty-one".