26425144326401 has 16 divisors (see below), whose sum is σ = 26479757413200. Its totient is φ = 26370607795200.

The previous prime is 26425144326379. The next prime is 26425144326421. The reversal of 26425144326401 is 10462344152462.

It can be written as a sum of positive squares in 8 ways, for example, as 277466616001 + 26147677710400 = 526751^2 + 5113480^2 .

It is a cyclic number.

It is not a de Polignac number, because 26425144326401 - 2¹⁸ = 26425144064257 is a prime.

It is a super-2 number, since 2×26425144326401² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26425144326421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6201627611 + ... + 6201631871.

It is an arithmetic number, because the mean of its divisors is an integer number (1654984838325).

Almost surely, 2^{26425144326401} is an apocalyptic number.

It is an amenable number.

26425144326401 is a deficient number, since it is larger than the sum of its proper divisors (54613086799).

26425144326401 is a wasteful number, since it uses less digits than its factorization.

26425144326401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10580.

The product of its (nonzero) digits is 1105920, while the sum is 44.

Adding to 26425144326401 its reverse (10462344152462), we get a palindrome (36887488478863).

The spelling of 26425144326401 in words is "twenty-six trillion, four hundred twenty-five billion, one hundred forty-four million, three hundred twenty-six thousand, four hundred one".