2640252513764 has 24 divisors (see below), whose sum is σ = 4655767441920. Its totient is φ = 1310059293696.

The previous prime is 2640252513763. The next prime is 2640252513781. The reversal of 2640252513764 is 4673152520462.

2640252513764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2640252513763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2850269 + ... + 3661220.

It is an arithmetic number, because the mean of its divisors is an integer number (193990310080).

Almost surely, 2^{2640252513764} is an apocalyptic number.

It is an amenable number.

2640252513764 is a deficient number, since it is larger than the sum of its proper divisors (2015514928156).

2640252513764 is a wasteful number, since it uses less digits than its factorization.

2640252513764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6512267 (or 6512265 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 2640252513764 in words is "two trillion, six hundred forty billion, two hundred fifty-two million, five hundred thirteen thousand, seven hundred sixty-four".