1044402100 has 72 divisors (see below), whose sum is σ = 2639081088. Its totient is φ = 351312000.

The previous prime is 1044402083. The next prime is 1044402113. The reversal of 1044402100 is 12044401.

1044402100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23025 + ... + 51175.

It is an arithmetic number, because the mean of its divisors is an integer number (36653904).

Almost surely, 2^1044402100 is an apocalyptic number.

1044402100 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 1044402100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319540544).

1044402100 is an abundant number, since it is smaller than the sum of its proper divisors (1594678988).

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

1044402100 is a wasteful number, since it uses less digits than its factorization.

1044402100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28225 (or 28218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1044402100 is about 32317.2105850737. The cubic root of 1044402100 is about 1014.5868881090.

Adding to 1044402100 its reverse (12044401), we get a palindrome (1056446501).

The spelling of 1044402100 in words is "one billion, forty-four million, four hundred two thousand, one hundred".