26201612650426 has 16 divisors (see below), whose sum is σ = 41689037541096. Its totient is φ = 12308033898496.

The previous prime is 26201612650321. The next prime is 26201612650427. The reversal of 26201612650426 is 62405621610262.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19151520300025 + 7050092350401 = 4376245^2 + 2655201^2 .

It is not an unprimeable number, because it can be changed into a prime (26201612650427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691754551 + ... + 691792426.

Almost surely, 2^{26201612650426} is an apocalyptic number.

26201612650426 is a deficient number, since it is larger than the sum of its proper divisors (15487424890670).

26201612650426 is a wasteful number, since it uses less digits than its factorization.

26201612650426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383547553.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 26201612650426 in words is "twenty-six trillion, two hundred one billion, six hundred twelve million, six hundred fifty thousand, four hundred twenty-six".