2765057628 has 12 divisors (see below), whose sum is σ = 6451801160. Its totient is φ = 921685872.

The previous prime is 2765057627. The next prime is 2765057641. The reversal of 2765057628 is 8267505672.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2765057621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115210723 + ... + 115210746.

Almost surely, 2^2765057628 is an apocalyptic number.

It is an amenable number.

2765057628 is an abundant number, since it is smaller than the sum of its proper divisors (3686743532).

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

2765057628 is a wasteful number, since it uses less digits than its factorization.

2765057628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230421476 (or 230421474 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The square root of 2765057628 is about 52583.8152666769. The cubic root of 2765057628 is about 1403.5721072499.

The spelling of 2765057628 in words is "two billion, seven hundred sixty-five million, fifty-seven thousand, six hundred twenty-eight".