2640960000000 has 1248 divisors, whose sum is σ = 10981031263488. Its totient is φ = 599040000000.

The previous prime is 2640959999983. The next prime is 2640960000043. The reversal of 2640960000000 is 690462.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20159999935 + ... + 20160000065.

It is an arithmetic number, because the mean of its divisors is an integer number (8798903256).

Almost surely, 2^{2640960000000} is an apocalyptic number.

2640960000000 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 2640960000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5490515631744).

2640960000000 is an abundant number, since it is smaller than the sum of its proper divisors (8340071263488).

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

2640960000000 is an frugal number, since it uses more digits than its factorization.

2640960000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 2640960000000 its reverse (690462), we get a palindrome (2640960690462).

The spelling of 2640960000000 in words is "two trillion, six hundred forty billion, nine hundred sixty million", and thus it is an aban number.