26240345451534 has 8 divisors (see below), whose sum is σ = 52480690903080. Its totient is φ = 8746781817176.

The previous prime is 26240345451499. The next prime is 26240345451539. The reversal of 26240345451534 is 43515454304262.

It is a sphenic number, since it is the product of 3 distinct primes.

26240345451534 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26240345451539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186695454289 + ... + 2186695454300.

It is an arithmetic number, because the mean of its divisors is an integer number (6560086362885).

Almost surely, 2^{26240345451534} is an apocalyptic number.

26240345451534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26240345451534 is a wasteful number, since it uses less digits than its factorization.

26240345451534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373390908594.

The product of its (nonzero) digits is 6912000, while the sum is 48.

Adding to 26240345451534 its reverse (43515454304262), we get a palindrome (69755799755796).

The spelling of 26240345451534 in words is "twenty-six trillion, two hundred forty billion, three hundred forty-five million, four hundred fifty-one thousand, five hundred thirty-four".