2543766768 has 70 divisors (see below), whose sum is σ = 7389475704. Its totient is φ = 847918368.

The previous prime is 2543766751. The next prime is 2543766787. The reversal of 2543766768 is 8676673452.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 97380 + ... + 120707.

Almost surely, 2^2543766768 is an apocalyptic number.

It is an amenable number.

2543766768 is an abundant number, since it is smaller than the sum of its proper divisors (4845708936).

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

2543766768 is an equidigital number, since it uses as much as digits as its factorization.

2543766768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218113 (or 218092 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The square root of 2543766768 is about 50435.7687360865. The cubic root of 2543766768 is about 1365.0831201648.

The spelling of 2543766768 in words is "two billion, five hundred forty-three million, seven hundred sixty-six thousand, seven hundred sixty-eight".