2640424003505 has 16 divisors (see below), whose sum is σ = 3442861862400. Its totient is φ = 1936609793280.

The previous prime is 2640424003439. The next prime is 2640424003507. The reversal of 2640424003505 is 5053004240462.

2640424003505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2640424003505 - 2⁸ = 2640424003249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2640424003507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448286360 + ... + 448292249.

It is an arithmetic number, because the mean of its divisors is an integer number (215178866400).

Almost surely, 2^{2640424003505} is an apocalyptic number.

It is an amenable number.

2640424003505 is a deficient number, since it is larger than the sum of its proper divisors (802437858895).

2640424003505 is a wasteful number, since it uses less digits than its factorization.

2640424003505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896578664.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 2640424003505 its reverse (5053004240462), we get a palindrome (7693428243967).

The spelling of 2640424003505 in words is "two trillion, six hundred forty billion, four hundred twenty-four million, three thousand, five hundred five".