100044340 has 48 divisors (see below), whose sum is σ = 230025600. Its totient is φ = 36247680.

The previous prime is 100044317. The next prime is 100044361. The reversal of 100044340 is 43440001.

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, 76129 + ... + 77431.

It is an arithmetic number, because the mean of its divisors is an integer number (4792200).

Almost surely, 2^100044340 is an apocalyptic number.

100044340 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 100044340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115012800).

100044340 is an abundant number, since it is smaller than the sum of its proper divisors (129981260).

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

100044340 is a wasteful number, since it uses less digits than its factorization.

100044340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1670 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 100044340 is about 10002.2167543000. The cubic root of 100044340 is about 464.2274759073.

Adding to 100044340 its reverse (43440001), we get a palindrome (143484341).

The spelling of 100044340 in words is "one hundred million, forty-four thousand, three hundred forty".