2648251320 has 512 divisors, whose sum is σ = 9910010880. Its totient is φ = 557383680.

The previous prime is 2648251301. The next prime is 2648251321. The reversal of 2648251320 is 231528462.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648251321) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27301512 + ... + 27301608.

It is an arithmetic number, because the mean of its divisors is an integer number (19355490).

Almost surely, 2^2648251320 is an apocalyptic number.

2648251320 is a gapful number since it is divisible by the number (20) 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 2648251320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4955005440).

2648251320 is an abundant number, since it is smaller than the sum of its proper divisors (7261759560).

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

2648251320 is a wasteful number, since it uses less digits than its factorization.

2648251320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 2648251320 is about 51461.1632204326. The cubic root of 2648251320 is about 1383.5230503176.

Adding to 2648251320 its reverse (231528462), we get a palindrome (2879779782).

The spelling of 2648251320 in words is "two billion, six hundred forty-eight million, two hundred fifty-one thousand, three hundred twenty".