2545783768 has 64 divisors (see below), whose sum is σ = 5366023200. Its totient is φ = 1122401280.

The previous prime is 2545783733. The next prime is 2545783771. The reversal of 2545783768 is 8673875452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412030 + ... + 418162.

Almost surely, 2^2545783768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545783768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2683011600).

2545783768 is an abundant number, since it is smaller than the sum of its proper divisors (2820239432).

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

2545783768 is a wasteful number, since it uses less digits than its factorization.

2545783768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292 (or 6288 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 55.

The square root of 2545783768 is about 50455.7605036333. The cubic root of 2545783768 is about 1365.4438247801.

The spelling of 2545783768 in words is "two billion, five hundred forty-five million, seven hundred eighty-three thousand, seven hundred sixty-eight".