2640312048 has 160 divisors (see below), whose sum is σ = 8173762560. Its totient is φ = 724965120.

The previous prime is 2640312043. The next prime is 2640312049. The reversal of 2640312048 is 8402130462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640312043) 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, 225015 + ... + 236457.

It is an arithmetic number, because the mean of its divisors is an integer number (51086016).

Almost surely, 2^2640312048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2640312048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4086881280).

2640312048 is an abundant number, since it is smaller than the sum of its proper divisors (5533450512).

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

2640312048 is a wasteful number, since it uses less digits than its factorization.

2640312048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11507 (or 11501 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2640312048 is about 51383.9668379155. The cubic root of 2640312048 is about 1382.1390979919.

The spelling of 2640312048 in words is "two billion, six hundred forty million, three hundred twelve thousand, forty-eight".