26401235 has 16 divisors (see below), whose sum is σ = 36377856. Its totient is φ = 18018528.

The previous prime is 26401229. The next prime is 26401259. The reversal of 26401235 is 53210462.

It is a cyclic number.

It is not a de Polignac number, because 26401235 - 2²⁴ = 9624019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26401235.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6284 + ... + 9606.

It is an arithmetic number, because the mean of its divisors is an integer number (2273616).

Almost surely, 2^26401235 is an apocalyptic number.

26401235 is a deficient number, since it is larger than the sum of its proper divisors (9976621).

26401235 is a wasteful number, since it uses less digits than its factorization.

26401235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 26401235 is about 5138.2132108351. The cubic root of 26401235 is about 297.7657536367.

Adding to 26401235 its reverse (53210462), we get a palindrome (79611697).

The spelling of 26401235 in words is "twenty-six million, four hundred one thousand, two hundred thirty-five".