1044320033040 has 40 divisors (see below), whose sum is σ = 3237392103168. Its totient is φ = 278485342080.

The previous prime is 1044320033039. The next prime is 1044320033069. The reversal of 1044320033040 is 403300234401.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1044320033040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2175666496 + ... + 2175666975.

Almost surely, 2^{1044320033040} is an apocalyptic number.

1044320033040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044320033040 is an abundant number, since it is smaller than the sum of its proper divisors (2193072070128).

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

1044320033040 is a wasteful number, since it uses less digits than its factorization.

1044320033040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351333487 (or 4351333481 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 1044320033040 its reverse (403300234401), we get a palindrome (1447620267441).

The spelling of 1044320033040 in words is "one trillion, forty-four billion, three hundred twenty million, thirty-three thousand, forty".