26443235545320 has 256 divisors, whose sum is σ = 89530030114560. Its totient is φ = 6192204800000.

The previous prime is 26443235545213. The next prime is 26443235545327. The reversal of 26443235545320 is 2354553234462.

It is a super-2 number, since 2×26443235545320² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26443235545320.

It is not an unprimeable number, because it can be changed into a prime (26443235545327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3047290 + ... + 7884950.

It is an arithmetic number, because the mean of its divisors is an integer number (349726680135).

Almost surely, 2^{26443235545320} is an apocalyptic number.

26443235545320 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 26443235545320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44765015057280).

26443235545320 is an abundant number, since it is smaller than the sum of its proper divisors (63086794569240).

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

26443235545320 is a wasteful number, since it uses less digits than its factorization.

26443235545320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837828 (or 4837824 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 48.

Adding to 26443235545320 its reverse (2354553234462), we get a palindrome (28797788779782).

The spelling of 26443235545320 in words is "twenty-six trillion, four hundred forty-three billion, two hundred thirty-five million, five hundred forty-five thousand, three hundred twenty".