1044420040011 has 32 divisors (see below), whose sum is σ = 1456862284800. Its totient is φ = 664286515200.

The previous prime is 1044420039989. The next prime is 1044420040019. The reversal of 1044420040011 is 1100400244401.

It is not a de Polignac number, because 1044420040011 - 2¹¹ = 1044420037963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1044420040011.

It is not an unprimeable number, because it can be changed into a prime (1044420040019) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 137582826 + ... + 137590416.

It is an arithmetic number, because the mean of its divisors is an integer number (45526946400).

Almost surely, 2^{1044420040011} is an apocalyptic number.

1044420040011 is a deficient number, since it is larger than the sum of its proper divisors (412442244789).

1044420040011 is a wasteful number, since it uses less digits than its factorization.

1044420040011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12507.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1044420040011 its reverse (1100400244401), we get a palindrome (2144820284412).

The spelling of 1044420040011 in words is "one trillion, forty-four billion, four hundred twenty million, forty thousand, eleven".