26227802500 has 135 divisors (see below), whose sum is σ = 59541550761. Its totient is φ = 10105680000.

The previous prime is 26227802473. The next prime is 26227802501. The reversal of 26227802500 is 520872262.

It is a happy number.

The square root of 26227802500 is 161950.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 26125549956 + 102252544 = 161634^2 + 10112^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26227802501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 331997461 + ... + 331997539.

Almost surely, 2^26227802500 is an apocalyptic number.

26227802500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

26227802500 is the 161950-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26227802500

26227802500 is an abundant number, since it is smaller than the sum of its proper divisors (33313748261).

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

26227802500 is an frugal number, since it uses more digits than its factorization.

26227802500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 26227802500 in words is "twenty-six billion, two hundred twenty-seven million, eight hundred two thousand, five hundred".