26494263445 has 16 divisors (see below), whose sum is σ = 36252785520. Its totient is φ = 18414111744.

The previous prime is 26494263413. The next prime is 26494263449. The reversal of 26494263445 is 54436249462.

It can be written as a sum of positive squares in 8 ways, for example, as 302725201 + 26191538244 = 17399^2 + 161838^2 .

It is a cyclic number.

It is not a de Polignac number, because 26494263445 - 2⁵ = 26494263413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26494263449) 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, 11987250 + ... + 11989459.

It is an arithmetic number, because the mean of its divisors is an integer number (2265799095).

Almost surely, 2^26494263445 is an apocalyptic number.

It is an amenable number.

26494263445 is a deficient number, since it is larger than the sum of its proper divisors (9758522075).

26494263445 is a wasteful number, since it uses less digits than its factorization.

26494263445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23976744.

The product of its digits is 4976640, while the sum is 49.

The spelling of 26494263445 in words is "twenty-six billion, four hundred ninety-four million, two hundred sixty-three thousand, four hundred forty-five".