26623412200 has 144 divisors (see below), whose sum is σ = 77758460640. Its totient is φ = 8298153600.

The previous prime is 26623412183. The next prime is 26623412201. The reversal of 26623412200 is 221432662.

It is a super-2 number, since 2×26623412200² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (26623412201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 90819 + ... + 247981.

It is an arithmetic number, because the mean of its divisors is an integer number (539989310).

Almost surely, 2^26623412200 is an apocalyptic number.

26623412200 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 26623412200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38879230320).

26623412200 is an abundant number, since it is smaller than the sum of its proper divisors (51135048440).

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

26623412200 is a wasteful number, since it uses less digits than its factorization.

26623412200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157208 (or 157188 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 26623412200 its reverse (221432662), we get a palindrome (26844844862).

The spelling of 26623412200 in words is "twenty-six billion, six hundred twenty-three million, four hundred twelve thousand, two hundred".