2647026648 has 192 divisors, whose sum is σ = 9004176000. Its totient is φ = 716433984.

The previous prime is 2647026643. The next prime is 2647026659. The reversal of 2647026648 is 8466207462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2647026643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194515 + ... + 207677.

It is an arithmetic number, because the mean of its divisors is an integer number (46896750).

Almost surely, 2^2647026648 is an apocalyptic number.

2647026648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2647026648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4502088000).

2647026648 is an abundant number, since it is smaller than the sum of its proper divisors (6357149352).

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

2647026648 is a wasteful number, since it uses less digits than its factorization.

2647026648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13211 (or 13194 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The square root of 2647026648 is about 51449.2628518621. The cubic root of 2647026648 is about 1383.3097494149.

The spelling of 2647026648 in words is "two billion, six hundred forty-seven million, twenty-six thousand, six hundred forty-eight".