26215246200 has 576 divisors, whose sum is σ = 101133705600. Its totient is φ = 5553100800.

The previous prime is 26215246157. The next prime is 26215246223. The reversal of 26215246200 is 264251262.

It is a happy number.

It is a super-2 number, since 2×26215246200² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 143 ways as a sum of consecutive naturals, for example, 21191982 + ... + 21193218.

It is an arithmetic number, because the mean of its divisors is an integer number (175579350).

Almost surely, 2^26215246200 is an apocalyptic number.

26215246200 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 26215246200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50566852800).

26215246200 is an abundant number, since it is smaller than the sum of its proper divisors (74918459400).

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

26215246200 is a wasteful number, since it uses less digits than its factorization.

26215246200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 26215246200 its reverse (264251262), we get a palindrome (26479497462).

The spelling of 26215246200 in words is "twenty-six billion, two hundred fifteen million, two hundred forty-six thousand, two hundred".