2648686026 has 64 divisors (see below), whose sum is σ = 6325014528. Its totient is φ = 722988288.

The previous prime is 2648686021. The next prime is 2648686031. The reversal of 2648686026 is 6206868462.

It is an interprime number because it is at equal distance from previous prime (2648686021) and next prime (2648686031).

It is not an unprimeable number, because it can be changed into a prime (2648686021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1489650 + ... + 1491426.

It is an arithmetic number, because the mean of its divisors is an integer number (98828352).

Almost surely, 2^2648686026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2648686026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3162507264).

2648686026 is an abundant number, since it is smaller than the sum of its proper divisors (3676328502).

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

2648686026 is a wasteful number, since it uses less digits than its factorization.

2648686026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The square root of 2648686026 is about 51465.3866788155. The cubic root of 2648686026 is about 1383.5987471698.

The spelling of 2648686026 in words is "two billion, six hundred forty-eight million, six hundred eighty-six thousand, twenty-six".