10240644460205 has 4 divisors (see below), whose sum is σ = 12288773352252. Its totient is φ = 8192515568160.

The previous prime is 10240644460187. The next prime is 10240644460229. The reversal of 10240644460205 is 50206444604201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4638419382601 + 5602225077604 = 2153699^2 + 2366902^2 .

It is not a de Polignac number, because 10240644460205 - 2⁸ = 10240644459949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024064446016 + ... + 1024064446025.

It is an arithmetic number, because the mean of its divisors is an integer number (3072193338063).

Almost surely, 2^{10240644460205} is an apocalyptic number.

It is an amenable number.

10240644460205 is a deficient number, since it is larger than the sum of its proper divisors (2048128892047).

10240644460205 is an equidigital number, since it uses as much as digits as its factorization.

10240644460205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048128892046.

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 10240644460205 in words is "ten trillion, two hundred forty billion, six hundred forty-four million, four hundred sixty thousand, two hundred five".