2775532630 has 24 divisors (see below), whose sum is σ = 5409828432. Its totient is φ = 1024811424.

The previous prime is 2775532619. The next prime is 2775532631. The reversal of 2775532630 is 362355772.

2775532630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775532631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 819474 + ... + 822853.

It is an arithmetic number, because the mean of its divisors is an integer number (225409518).

Almost surely, 2^2775532630 is an apocalyptic number.

2775532630 is a deficient number, since it is larger than the sum of its proper divisors (2634295802).

2775532630 is a wasteful number, since it uses less digits than its factorization.

2775532630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642360 (or 1642347 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 40.

The square root of 2775532630 is about 52683.3240219332. The cubic root of 2775532630 is about 1405.3422805600.

The spelling of 2775532630 in words is "two billion, seven hundred seventy-five million, five hundred thirty-two thousand, six hundred thirty".