1026788926845 has 32 divisors (see below), whose sum is σ = 1805295288960. Its totient is φ = 494203197440.

The previous prime is 1026788926843. The next prime is 1026788926871. The reversal of 1026788926845 is 5486298876201.

It is not a de Polignac number, because 1026788926845 - 2¹ = 1026788926843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026788926843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22688940 + ... + 22734149.

It is an arithmetic number, because the mean of its divisors is an integer number (56415477780).

Almost surely, 2^{1026788926845} is an apocalyptic number.

1026788926845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1026788926845 is a deficient number, since it is larger than the sum of its proper divisors (778506362115).

1026788926845 is a wasteful number, since it uses less digits than its factorization.

1026788926845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45423245.

The product of its (nonzero) digits is 92897280, while the sum is 66.

The spelling of 1026788926845 in words is "one trillion, twenty-six billion, seven hundred eighty-eight million, nine hundred twenty-six thousand, eight hundred forty-five".