26443335128 has 16 divisors (see below), whose sum is σ = 56664289680. Its totient is φ = 11332857888.

The previous prime is 26443335071. The next prime is 26443335131. The reversal of 26443335128 is 82153334462.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236101151 + ... + 236101262.

It is an arithmetic number, because the mean of its divisors is an integer number (3541518105).

Almost surely, 2^26443335128 is an apocalyptic number.

26443335128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26443335128 is an abundant number, since it is smaller than the sum of its proper divisors (30220954552).

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

26443335128 is a wasteful number, since it uses less digits than its factorization.

26443335128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472202426 (or 472202422 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

The spelling of 26443335128 in words is "twenty-six billion, four hundred forty-three million, three hundred thirty-five thousand, one hundred twenty-eight".