1044940530853 has 8 divisors (see below), whose sum is σ = 1080384737400. Its totient is φ = 1009875407040.

The previous prime is 1044940530827. The next prime is 1044940530883. The reversal of 1044940530853 is 3580350494401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 411562369 + 1044528968484 = 20287^2 + 1022022^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1044940530853 - 2⁹ = 1044940530341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044940530883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94765078 + ... + 94776103.

It is an arithmetic number, because the mean of its divisors is an integer number (135048092175).

Almost surely, 2^{1044940530853} is an apocalyptic number.

It is an amenable number.

1044940530853 is a deficient number, since it is larger than the sum of its proper divisors (35444206547).

1044940530853 is a wasteful number, since it uses less digits than its factorization.

1044940530853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189541367.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 1044940530853 in words is "one trillion, forty-four billion, nine hundred forty million, five hundred thirty thousand, eight hundred fifty-three".