2648790305 has 24 divisors (see below), whose sum is σ = 3703853160. Its totient is φ = 1813190400.

The previous prime is 2648790283. The next prime is 2648790307. The reversal of 2648790305 is 5030978462.

It can be written as a sum of positive squares in 4 ways, for example, as 978188176 + 1670602129 = 31276^2 + 40873^2 .

It is not a de Polignac number, because 2648790305 - 2⁶ = 2648790241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2648790307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138251 + ... + 156239.

It is an arithmetic number, because the mean of its divisors is an integer number (154327215).

Almost surely, 2^2648790305 is an apocalyptic number.

It is an amenable number.

2648790305 is a deficient number, since it is larger than the sum of its proper divisors (1055062855).

2648790305 is a wasteful number, since it uses less digits than its factorization.

2648790305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18609 (or 18602 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 2648790305 is about 51466.3997672268. The cubic root of 2648790305 is about 1383.6169043993.

The spelling of 2648790305 in words is "two billion, six hundred forty-eight million, seven hundred ninety thousand, three hundred five".