2865045768 has 64 divisors (see below), whose sum is σ = 8167340160. Its totient is φ = 829694976.

The previous prime is 2865045767. The next prime is 2865045817. The reversal of 2865045768 is 8675405682.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 2865045768.

It is not an unprimeable number, because it can be changed into a prime (2865045767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264780 + ... + 275387.

It is an arithmetic number, because the mean of its divisors is an integer number (127614690).

Almost surely, 2^2865045768 is an apocalyptic number.

It is an amenable number.

2865045768 is an abundant number, since it is smaller than the sum of its proper divisors (5302294392).

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

2865045768 is a wasteful number, since it uses less digits than its factorization.

2865045768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540206 (or 540202 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The square root of 2865045768 is about 53526.1222955670. The cubic root of 2865045768 is about 1420.2905191473.

The spelling of 2865045768 in words is "two billion, eight hundred sixty-five million, forty-five thousand, seven hundred sixty-eight".