2775252528 has 30 divisors (see below), whose sum is σ = 7766852964. Its totient is φ = 925084128.

The previous prime is 2775252521. The next prime is 2775252539. The reversal of 2775252528 is 8252525772.

2775252528 is a `hidden beast` number, since 2 + 7 + 75 + 2 + 52 + 528 = 666.

It is not an unprimeable number, because it can be changed into a prime (2775252521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9636150 + ... + 9636437.

Almost surely, 2^2775252528 is an apocalyptic number.

It is an amenable number.

2775252528 is an abundant number, since it is smaller than the sum of its proper divisors (4991600436).

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

2775252528 is a wasteful number, since it uses less digits than its factorization.

2775252528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19272601 (or 19272592 counting only the distinct ones).

The product of its digits is 784000, while the sum is 45.

The square root of 2775252528 is about 52680.6655994398. The cubic root of 2775252528 is about 1405.2950040575.

The spelling of 2775252528 in words is "two billion, seven hundred seventy-five million, two hundred fifty-two thousand, five hundred twenty-eight".