44430030 has 72 divisors (see below), whose sum is σ = 119842632. Its totient is φ = 11419968.

The previous prime is 44430017. The next prime is 44430031. The reversal of 44430030 is 3003444.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44429985 and 44430012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44430031) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75397 + ... + 75983.

It is an arithmetic number, because the mean of its divisors is an integer number (1664481).

Almost surely, 2^44430030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44430030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59921316).

44430030 is an abundant number, since it is smaller than the sum of its proper divisors (75412602).

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

44430030 is a wasteful number, since it uses less digits than its factorization.

44430030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 44430030 is about 6665.5854956635. The cubic root of 44430030 is about 354.1812248379.

Adding to 44430030 its reverse (3003444), we get a palindrome (47433474).

The spelling of 44430030 in words is "forty-four million, four hundred thirty thousand, thirty".