2555280016 has 20 divisors (see below), whose sum is σ = 5121575100. Its totient is φ = 1233583232.

The previous prime is 2555279971. The next prime is 2555280017. The reversal of 2555280016 is 6100825552.

It can be written as a sum of positive squares in 2 ways, for example, as 592435600 + 1962844416 = 24340^2 + 44304^2 .

It is not an unprimeable number, because it can be changed into a prime (2555280017) 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, 2753071 + ... + 2753998.

It is an arithmetic number, because the mean of its divisors is an integer number (256078755).

Almost surely, 2^2555280016 is an apocalyptic number.

It is an amenable number.

2555280016 is an abundant number, since it is smaller than the sum of its proper divisors (2566295084).

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

2555280016 is a wasteful number, since it uses less digits than its factorization.

2555280016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507106 (or 5507100 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 2555280016 is about 50549.7776058412. Note that the first 3 decimals coincide. The cubic root of 2555280016 is about 1367.1395047875.

The spelling of 2555280016 in words is "two billion, five hundred fifty-five million, two hundred eighty thousand, sixteen".