2765300640 has 48 divisors (see below), whose sum is σ = 8710698528. Its totient is φ = 737413376.

The previous prime is 2765300627. The next prime is 2765300651. The reversal of 2765300640 is 460035672.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2880042 + ... + 2881001.

It is an arithmetic number, because the mean of its divisors is an integer number (181472886).

Almost surely, 2^2765300640 is an apocalyptic number.

2765300640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2765300640 is an abundant number, since it is smaller than the sum of its proper divisors (5945397888).

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

2765300640 is a wasteful number, since it uses less digits than its factorization.

2765300640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761061 (or 5761053 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 2765300640 is about 52586.1259269021. The cubic root of 2765300640 is about 1403.6132245211.

The spelling of 2765300640 in words is "two billion, seven hundred sixty-five million, three hundred thousand, six hundred forty".