26021120728 has 32 divisors (see below), whose sum is σ = 49001369760. Its totient is φ = 12954159360.

The previous prime is 26021120707. The next prime is 26021120747. The reversal of 26021120728 is 82702112062.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 26021120728.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3810325 + ... + 3817147.

It is an arithmetic number, because the mean of its divisors is an integer number (1531292805).

Almost surely, 2^26021120728 is an apocalyptic number.

It is an amenable number.

26021120728 is a deficient number, since it is larger than the sum of its proper divisors (22980249032).

26021120728 is a wasteful number, since it uses less digits than its factorization.

26021120728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8827 (or 8823 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 26021120728 in words is "twenty-six billion, twenty-one million, one hundred twenty thousand, seven hundred twenty-eight".