26342040425 has 6 divisors (see below), whose sum is σ = 32664130158. Its totient is φ = 21073632320.

The previous prime is 26342040421. The next prime is 26342040427. The reversal of 26342040425 is 52404024362.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6435087961 + 19906952464 = 80219^2 + 141092^2 .

It is not a de Polignac number, because 26342040425 - 2² = 26342040421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26342040391 and 26342040400.

It is not an unprimeable number, because it can be changed into a prime (26342040421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 526840784 + ... + 526840833.

It is an arithmetic number, because the mean of its divisors is an integer number (5444021693).

Almost surely, 2^26342040425 is an apocalyptic number.

26342040425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26342040425 is a deficient number, since it is larger than the sum of its proper divisors (6322089733).

26342040425 is a wasteful number, since it uses less digits than its factorization.

26342040425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053681627 (or 1053681622 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 26342040425 its reverse (52404024362), we get a palindrome (78746064787).

The spelling of 26342040425 in words is "twenty-six billion, three hundred forty-two million, forty thousand, four hundred twenty-five".