26402428535 has 32 divisors (see below), whose sum is σ = 36632745600. Its totient is φ = 17893509120.

The previous prime is 26402428477. The next prime is 26402428601. The reversal of 26402428535 is 53582420462.

It is a happy number.

It is not a de Polignac number, because 26402428535 - 2¹⁰ = 26402427511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26402428492 and 26402428501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1551875 + ... + 1568795.

It is an arithmetic number, because the mean of its divisors is an integer number (1144773300).

Almost surely, 2^26402428535 is an apocalyptic number.

26402428535 is a deficient number, since it is larger than the sum of its proper divisors (10230317065).

26402428535 is a wasteful number, since it uses less digits than its factorization.

26402428535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17451.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 26402428535 its reverse (53582420462), we get a palindrome (79984848997).

The spelling of 26402428535 in words is "twenty-six billion, four hundred two million, four hundred twenty-eight thousand, five hundred thirty-five".