12440025240445 has 64 divisors (see below), whose sum is σ = 16499424854016. Its totient is φ = 8928919802880.

The previous prime is 12440025240443. The next prime is 12440025240473. The reversal of 12440025240445 is 54404252004421.

12440025240445 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 12440025240445 - 2¹ = 12440025240443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440025240443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4250092572 + ... + 4250095498.

It is an arithmetic number, because the mean of its divisors is an integer number (257803513344).

Almost surely, 2^{12440025240445} is an apocalyptic number.

It is an amenable number.

12440025240445 is a deficient number, since it is larger than the sum of its proper divisors (4059399613571).

12440025240445 is a wasteful number, since it uses less digits than its factorization.

12440025240445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530.

The product of its (nonzero) digits is 204800, while the sum is 37.

Adding to 12440025240445 its reverse (54404252004421), we get a palindrome (66844277244866).

The spelling of 12440025240445 in words is "twelve trillion, four hundred forty billion, twenty-five million, two hundred forty thousand, four hundred forty-five".