2775053480 has 128 divisors (see below), whose sum is σ = 6779700000. Its totient is φ = 1018429440.

The previous prime is 2775053441. The next prime is 2775053483. The reversal of 2775053480 is 843505772.

It can be written as a sum of positive squares in 16 ways, for example, as 81796 + 2774971684 = 286^2 + 52678^2 .

It is a super-2 number, since 2×2775053480² = 15401843633720220800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2775053483) 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 31 ways as a sum of consecutive naturals, for example, 6180296 + ... + 6180744.

Almost surely, 2^2775053480 is an apocalyptic number.

2775053480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2775053480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3389850000).

2775053480 is an abundant number, since it is smaller than the sum of its proper divisors (4004646520).

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

2775053480 is a wasteful number, since it uses less digits than its factorization.

2775053480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 2775053480 is about 52678.7763715142. The cubic root of 2775053480 is about 1405.2614061723.

The spelling of 2775053480 in words is "two billion, seven hundred seventy-five million, fifty-three thousand, four hundred eighty".