26443365012 has 36 divisors (see below), whose sum is σ = 66847959360. Its totient is φ = 8813794512.

The previous prime is 26443364957. The next prime is 26443365041. The reversal of 26443365012 is 21056334462.

26443365012 is a `hidden beast` number, since 2 + 644 + 3 + 3 + 6 + 5 + 0 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 802453 + ... + 834755.

It is an arithmetic number, because the mean of its divisors is an integer number (1856887760).

Almost surely, 2^26443365012 is an apocalyptic number.

It is an amenable number.

26443365012 is an abundant number, since it is smaller than the sum of its proper divisors (40404594348).

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

26443365012 is a wasteful number, since it uses less digits than its factorization.

26443365012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55052 (or 55047 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 26443365012 its reverse (21056334462), we get a palindrome (47499699474).

The spelling of 26443365012 in words is "twenty-six billion, four hundred forty-three million, three hundred sixty-five thousand, twelve".