1044002000 has 80 divisors (see below), whose sum is σ = 2548088400. Its totient is φ = 413683200.

The previous prime is 1044001997. The next prime is 1044002017. The reversal of 1044002000 is 2004401.

1044002000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 499433104 + 544568896 = 22348^2 + 23336^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215606 + ... + 220394.

It is an arithmetic number, because the mean of its divisors is an integer number (31851105).

Almost surely, 2^1044002000 is an apocalyptic number.

1044002000 is a gapful number since it is divisible by the number (10) 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 1044002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274044200).

1044002000 is an abundant number, since it is smaller than the sum of its proper divisors (1504086400).

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

1044002000 is a wasteful number, since it uses less digits than its factorization.

1044002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921 (or 4905 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1044002000 is about 32311.0197920152. The cubic root of 1044002000 is about 1014.4573121977.

Adding to 1044002000 its reverse (2004401), we get a palindrome (1046006401).

The spelling of 1044002000 in words is "one billion, forty-four million, two thousand".