1044321332401 has 4 divisors (see below), whose sum is σ = 1044508727412. Its totient is φ = 1044133937392.

The previous prime is 1044321332393. The next prime is 1044321332413. The reversal of 1044321332401 is 1042331234401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 472408782400 + 571912550001 = 687320^2 + 756249^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044321332401 - 2³ = 1044321332393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1044321332401.

It is not an unprimeable number, because it can be changed into a prime (1044621332401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93689146 + ... + 93700291.

It is an arithmetic number, because the mean of its divisors is an integer number (261127181853).

Almost surely, 2^{1044321332401} is an apocalyptic number.

It is an amenable number.

1044321332401 is a deficient number, since it is larger than the sum of its proper divisors (187395011).

1044321332401 is an equidigital number, since it uses as much as digits as its factorization.

1044321332401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187395010.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1044321332401 its reverse (1042331234401), we get a palindrome (2086652566802).

The spelling of 1044321332401 in words is "one trillion, forty-four billion, three hundred twenty-one million, three hundred thirty-two thousand, four hundred one".