2765130312 has 128 divisors (see below), whose sum is σ = 8231731200. Its totient is φ = 757382400.

The previous prime is 2765130307. The next prime is 2765130353. The reversal of 2765130312 is 2130315672.

It is a self number, because there is not a number n which added to its sum of digits gives 2765130312.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 565237 + ... + 570107.

It is an arithmetic number, because the mean of its divisors is an integer number (64310400).

Almost surely, 2^2765130312 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 2765130312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4115865600).

2765130312 is an abundant number, since it is smaller than the sum of its proper divisors (5466600888).

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

2765130312 is a wasteful number, since it uses less digits than its factorization.

2765130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027 (or 5023 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 2765130312 is about 52584.5063873381. The cubic root of 2765130312 is about 1403.5844055277.

Adding to 2765130312 its reverse (2130315672), we get a palindrome (4895445984).

The spelling of 2765130312 in words is "two billion, seven hundred sixty-five million, one hundred thirty thousand, three hundred twelve".