2640433625411 has 8 divisors (see below), whose sum is σ = 2748240630480. Its totient is φ = 2533743791712.

The previous prime is 2640433625387. The next prime is 2640433625491. The reversal of 2640433625411 is 1145263340462.

2640433625411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2640433625411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2640433625491) 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, 279288020 + ... + 279297473.

It is an arithmetic number, because the mean of its divisors is an integer number (343530078810).

Almost surely, 2^{2640433625411} is an apocalyptic number.

2640433625411 is a deficient number, since it is larger than the sum of its proper divisors (107807005069).

2640433625411 is a wasteful number, since it uses less digits than its factorization.

2640433625411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558585685.

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 2640433625411 its reverse (1145263340462), we get a palindrome (3785696965873).

The spelling of 2640433625411 in words is "two trillion, six hundred forty billion, four hundred thirty-three million, six hundred twenty-five thousand, four hundred eleven".