2541443720 has 16 divisors (see below), whose sum is σ = 5718248460. Its totient is φ = 1016577472.

The previous prime is 2541443701. The next prime is 2541443759. The reversal of 2541443720 is 273441452.

It can be written as a sum of positive squares in 2 ways, for example, as 2277771076 + 263672644 = 47726^2 + 16238^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 31768007 + ... + 31768086.

Almost surely, 2^2541443720 is an apocalyptic number.

2541443720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541443720 is an abundant number, since it is smaller than the sum of its proper divisors (3176804740).

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

2541443720 is a wasteful number, since it uses less digits than its factorization.

2541443720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63536104 (or 63536100 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 2541443720 is about 50412.7337088557. The cubic root of 2541443720 is about 1364.6674479585.

The spelling of 2541443720 in words is "two billion, five hundred forty-one million, four hundred forty-three thousand, seven hundred twenty".