26220451100 has 18 divisors (see below), whose sum is σ = 56898379104. Its totient is φ = 10488180400.

The previous prime is 26220451057. The next prime is 26220451207. The reversal of 26220451100 is 115402262.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131102156 + ... + 131102355.

Almost surely, 2^26220451100 is an apocalyptic number.

26220451100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26220451100 is an abundant number, since it is smaller than the sum of its proper divisors (30677928004).

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

26220451100 is a wasteful number, since it uses less digits than its factorization.

26220451100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262204525 (or 262204518 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 26220451100 its reverse (115402262), we get a palindrome (26335853362).

The spelling of 26220451100 in words is "twenty-six billion, two hundred twenty million, four hundred fifty-one thousand, one hundred".