26457024217 has 16 divisors (see below), whose sum is σ = 28608588288. Its totient is φ = 24322299840.

The previous prime is 26457024203. The next prime is 26457024241. The reversal of 26457024217 is 71242075462.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26457024217 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 26457024217.

It is not an unprimeable number, because it can be changed into a prime (26457024247) 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, 3430788 + ... + 3438490.

It is an arithmetic number, because the mean of its divisors is an integer number (1788036768).

Almost surely, 2^26457024217 is an apocalyptic number.

It is an amenable number.

26457024217 is a deficient number, since it is larger than the sum of its proper divisors (2151564071).

26457024217 is a wasteful number, since it uses less digits than its factorization.

26457024217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8760.

The product of its (nonzero) digits is 188160, while the sum is 40.

Adding to 26457024217 its reverse (71242075462), we get a palindrome (97699099679).

The spelling of 26457024217 in words is "twenty-six billion, four hundred fifty-seven million, twenty-four thousand, two hundred seventeen".