13262040445 has 4 divisors (see below), whose sum is σ = 15914448540. Its totient is φ = 10609632352.

The previous prime is 13262040437. The next prime is 13262040479. The reversal of 13262040445 is 54404026231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54404026231 = 47 ⋅1157532473.

It can be written as a sum of positive squares in 2 ways, for example, as 6075578916 + 7186461529 = 77946^2 + 84773^2 .

It is a cyclic number.

It is not a de Polignac number, because 13262040445 - 2³ = 13262040437 is a prime.

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, 1326204040 + ... + 1326204049.

It is an arithmetic number, because the mean of its divisors is an integer number (3978612135).

Almost surely, 2^13262040445 is an apocalyptic number.

It is an amenable number.

13262040445 is a deficient number, since it is larger than the sum of its proper divisors (2652408095).

13262040445 is an equidigital number, since it uses as much as digits as its factorization.

13262040445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652408094.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 13262040445 its reverse (54404026231), we get a palindrome (67666066676).

The spelling of 13262040445 in words is "thirteen billion, two hundred sixty-two million, forty thousand, four hundred forty-five".