2543842544 has 20 divisors (see below), whose sum is σ = 4938999360. Its totient is φ = 1269262080.

The previous prime is 2543842541. The next prime is 2543842577. The reversal of 2543842544 is 4452483452.

It is a super-2 number, since 2×2543842544² = 12942269777328783872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543842541) 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, 158297 + ... + 173624.

It is an arithmetic number, because the mean of its divisors is an integer number (246949968).

Almost surely, 2^2543842544 is an apocalyptic number.

It is an amenable number.

2543842544 is a deficient number, since it is larger than the sum of its proper divisors (2395156816).

2543842544 is a wasteful number, since it uses less digits than its factorization.

2543842544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332408 (or 332402 counting only the distinct ones).

The product of its digits is 614400, while the sum is 41.

The square root of 2543842544 is about 50436.5199433902. The cubic root of 2543842544 is about 1365.0966748026.

The spelling of 2543842544 in words is "two billion, five hundred forty-three million, eight hundred forty-two thousand, five hundred forty-four".