2640266541803 has 48 divisors (see below), whose sum is σ = 3104232704160. Its totient is φ = 2237430159360.

The previous prime is 2640266541799. The next prime is 2640266541811. The reversal of 2640266541803 is 3081456620462.

It is not a de Polignac number, because 2640266541803 - 2² = 2640266541799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2640266541823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38545301 + ... + 38613737.

It is an arithmetic number, because the mean of its divisors is an integer number (64671514670).

Almost surely, 2^{2640266541803} is an apocalyptic number.

2640266541803 is a deficient number, since it is larger than the sum of its proper divisors (463966162357).

2640266541803 is a wasteful number, since it uses less digits than its factorization.

2640266541803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68748 (or 68737 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 2640266541803 in words is "two trillion, six hundred forty billion, two hundred sixty-six million, five hundred forty-one thousand, eight hundred three".