26050272500 has 120 divisors (see below), whose sum is σ = 66694600896. Its totient is φ = 8713440000.

The previous prime is 26050272461. The next prime is 26050272517. The reversal of 26050272500 is 527205062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 699347 + ... + 735653.

Almost surely, 2^26050272500 is an apocalyptic number.

26050272500 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 26050272500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33347300448).

26050272500 is an abundant number, since it is smaller than the sum of its proper divisors (40644328396).

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

26050272500 is a wasteful number, since it uses less digits than its factorization.

26050272500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36379 (or 36362 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

Adding to 26050272500 its reverse (527205062), we get a palindrome (26577477562).

The spelling of 26050272500 in words is "twenty-six billion, fifty million, two hundred seventy-two thousand, five hundred".