2516881348 has 72 divisors (see below), whose sum is σ = 4877800200. Its totient is φ = 1134723072.

The previous prime is 2516881337. The next prime is 2516881361. The reversal of 2516881348 is 8431886152.

It can be written as a sum of positive squares in 12 ways, for example, as 311451904 + 2205429444 = 17648^2 + 46962^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2516881298 and 2516881307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6469938 + ... + 6470326.

It is an arithmetic number, because the mean of its divisors is an integer number (67747225).

Almost surely, 2^2516881348 is an apocalyptic number.

It is an amenable number.

2516881348 is a deficient number, since it is larger than the sum of its proper divisors (2360918852).

2516881348 is a wasteful number, since it uses less digits than its factorization.

2516881348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 630 counting only the distinct ones).

The product of its digits is 368640, while the sum is 46.

The square root of 2516881348 is about 50168.5294582171. The cubic root of 2516881348 is about 1360.2568264971.

The spelling of 2516881348 in words is "two billion, five hundred sixteen million, eight hundred eighty-one thousand, three hundred forty-eight".