1044021203204 has 48 divisors (see below), whose sum is σ = 2129447771136. Its totient is φ = 438581020800.

The previous prime is 1044021203081. The next prime is 1044021203209. The reversal of 1044021203204 is 4023021204401.

It is a super-3 number, since 3×1044021203204³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1044021203204.

It is not an unprimeable number, because it can be changed into a prime (1044021203209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242989 + ... + 1906059.

It is an arithmetic number, because the mean of its divisors is an integer number (44363495232).

Almost surely, 2^{1044021203204} is an apocalyptic number.

1044021203204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044021203204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064723885568).

1044021203204 is an abundant number, since it is smaller than the sum of its proper divisors (1085426567932).

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

1044021203204 is a wasteful number, since it uses less digits than its factorization.

1044021203204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664196 (or 664194 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1044021203204 its reverse (4023021204401), we get a palindrome (5067042407605).

The spelling of 1044021203204 in words is "one trillion, forty-four billion, twenty-one million, two hundred three thousand, two hundred four".