1044220026750 has 128 divisors (see below), whose sum is σ = 2613723780096. Its totient is φ = 277674768000.

The previous prime is 1044220026749. The next prime is 1044220026757. The reversal of 1044220026750 is 576200224401.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044220026757) 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 63 ways as a sum of consecutive naturals, for example, 599780880 + ... + 599782620.

It is an arithmetic number, because the mean of its divisors is an integer number (20419717032).

Almost surely, 2^{1044220026750} is an apocalyptic number.

1044220026750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044220026750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306861890048).

1044220026750 is an abundant number, since it is smaller than the sum of its proper divisors (1569503753346).

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

1044220026750 is a wasteful number, since it uses less digits than its factorization.

1044220026750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555 (or 3545 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The spelling of 1044220026750 in words is "one trillion, forty-four billion, two hundred twenty million, twenty-six thousand, seven hundred fifty".