2640888265760 has 48 divisors (see below), whose sum is σ = 6240538080000. Its totient is φ = 1056111572736.

The previous prime is 2640888265753. The next prime is 2640888265789. The reversal of 2640888265760 is 675628880462.

It is a junction number, because it is equal to n+sod(n) for n = 2640888265693 and 2640888265702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207760 + ... + 2596239.

It is an arithmetic number, because the mean of its divisors is an integer number (130011210000).

Almost surely, 2^{2640888265760} is an apocalyptic number.

2640888265760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2640888265760 is an abundant number, since it is smaller than the sum of its proper divisors (3599649814240).

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

2640888265760 is a wasteful number, since it uses less digits than its factorization.

2640888265760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808353 (or 3808345 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 62.

The spelling of 2640888265760 in words is "two trillion, six hundred forty billion, eight hundred eighty-eight million, two hundred sixty-five thousand, seven hundred sixty".