2775645536 has 24 divisors (see below), whose sum is σ = 5580822240. Its totient is φ = 1358293888.

The previous prime is 2775645527. The next prime is 2775645541. The reversal of 2775645536 is 6355465772.

2775645536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921251 + ... + 924258.

It is an arithmetic number, because the mean of its divisors is an integer number (232534260).

Almost surely, 2^2775645536 is an apocalyptic number.

It is an amenable number.

2775645536 is an abundant number, since it is smaller than the sum of its proper divisors (2805176704).

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

2775645536 is a wasteful number, since it uses less digits than its factorization.

2775645536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845566 (or 1845558 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 50.

The square root of 2775645536 is about 52684.3955645312. The cubic root of 2775645536 is about 1405.3613362928.

The spelling of 2775645536 in words is "two billion, seven hundred seventy-five million, six hundred forty-five thousand, five hundred thirty-six".