2648287720 has 32 divisors (see below), whose sum is σ = 6417006120. Its totient is φ = 977829120.

The previous prime is 2648287699. The next prime is 2648287721. The reversal of 2648287720 is 277828462.

It can be written as a sum of positive squares in 4 ways, for example, as 1222621156 + 1425666564 = 34966^2 + 37758^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2648287721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2545911 + ... + 2546950.

Almost surely, 2^2648287720 is an apocalyptic number.

2648287720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2648287720 is an abundant number, since it is smaller than the sum of its proper divisors (3768718400).

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

2648287720 is a wasteful number, since it uses less digits than its factorization.

2648287720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092885 (or 5092881 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 46.

The square root of 2648287720 is about 51461.5168839785. The cubic root of 2648287720 is about 1383.5293890927.

The spelling of 2648287720 in words is "two billion, six hundred forty-eight million, two hundred eighty-seven thousand, seven hundred twenty".