44405130 has 128 divisors (see below), whose sum is σ = 136028160. Its totient is φ = 9008640.

The previous prime is 44405117. The next prime is 44405131. The reversal of 44405130 is 3150444.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 44405097 and 44405106.

It is not an unprimeable number, because it can be changed into a prime (44405131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108366 + ... + 108774.

It is an arithmetic number, because the mean of its divisors is an integer number (1062720).

Almost surely, 2^44405130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44405130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68014080).

44405130 is an abundant number, since it is smaller than the sum of its proper divisors (91623030).

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

44405130 is a wasteful number, since it uses less digits than its factorization.

44405130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 44405130 is about 6663.7174309840. The cubic root of 44405130 is about 354.1150476712.

Adding to 44405130 its reverse (3150444), we get a palindrome (47555574).

The spelling of 44405130 in words is "forty-four million, four hundred five thousand, one hundred thirty".