26530245417 has 16 divisors (see below), whose sum is σ = 38117629760. Its totient is φ = 16316482752.

The previous prime is 26530245403. The next prime is 26530245419. The reversal of 26530245417 is 71454203562.

It is not a de Polignac number, because 26530245417 - 2⁶ = 26530245353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26530245419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138703 + ... + 268884.

It is an arithmetic number, because the mean of its divisors is an integer number (2382351860).

Almost surely, 2^26530245417 is an apocalyptic number.

It is an amenable number.

26530245417 is a deficient number, since it is larger than the sum of its proper divisors (11587384343).

26530245417 is a wasteful number, since it uses less digits than its factorization.

26530245417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409272.

The product of its (nonzero) digits is 201600, while the sum is 39.

Adding to 26530245417 its reverse (71454203562), we get a palindrome (97984448979).

The spelling of 26530245417 in words is "twenty-six billion, five hundred thirty million, two hundred forty-five thousand, four hundred seventeen".