1044201621326 has 16 divisors (see below), whose sum is σ = 1596072085920. Its totient is φ = 512221598880.

The previous prime is 1044201621301. The next prime is 1044201621373. The reversal of 1044201621326 is 6231261024401.

It is a junction number, because it is equal to n+sod(n) for n = 1044201621292 and 1044201621301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10953866 + ... + 11048781.

It is an arithmetic number, because the mean of its divisors is an integer number (99754505370).

Almost surely, 2^{1044201621326} is an apocalyptic number.

1044201621326 is a deficient number, since it is larger than the sum of its proper divisors (551870464594).

1044201621326 is a wasteful number, since it uses less digits than its factorization.

1044201621326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22003099.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 1044201621326 its reverse (6231261024401), we get a palindrome (7275462645727).

The spelling of 1044201621326 in words is "one trillion, forty-four billion, two hundred one million, six hundred twenty-one thousand, three hundred twenty-six".