12440829284805 has 16 divisors (see below), whose sum is σ = 20390822633664. Its totient is φ = 6473277025920.

The previous prime is 12440829284777. The next prime is 12440829284809. The reversal of 12440829284805 is 50848292804421.

12440829284805 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 12440829284805 - 2¹⁰ = 12440829283781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440829284809) 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, 10114494739 + ... + 10114495968.

It is an arithmetic number, because the mean of its divisors is an integer number (1274426414604).

Almost surely, 2^{12440829284805} is an apocalyptic number.

12440829284805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12440829284805 is a deficient number, since it is larger than the sum of its proper divisors (7949993348859).

12440829284805 is a wasteful number, since it uses less digits than its factorization.

12440829284805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20228990756.

The product of its (nonzero) digits is 11796480, while the sum is 57.

The spelling of 12440829284805 in words is "twelve trillion, four hundred forty billion, eight hundred twenty-nine million, two hundred eighty-four thousand, eight hundred five".