26272030042520 has 128 divisors (see below), whose sum is σ = 60553091289600. Its totient is φ = 10256209265664.

The previous prime is 26272030042469. The next prime is 26272030042523. The reversal of 26272030042520 is 2524003027262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26272030042523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139767719 + ... + 139955561.

It is an arithmetic number, because the mean of its divisors is an integer number (473071025700).

Almost surely, 2^{26272030042520} is an apocalyptic number.

26272030042520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26272030042520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30276545644800).

26272030042520 is an abundant number, since it is smaller than the sum of its proper divisors (34281061247080).

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

26272030042520 is a wasteful number, since it uses less digits than its factorization.

26272030042520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188449 (or 188445 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

Adding to 26272030042520 its reverse (2524003027262), we get a palindrome (28796033069782).

The spelling of 26272030042520 in words is "twenty-six trillion, two hundred seventy-two billion, thirty million, forty-two thousand, five hundred twenty".